OC Language and Vernacular Questions.
Is your OC a confident speaker? Do they find it easy to express themselves verbally? Or do they stutter or perhaps easily lose their train of thought?
Does your OC use any expressions or slang terms that are unique to the area in which they grew up, or a specific community of which they were once a member?
How often does your OC swear? Is it something that punctuates their everday speech? Or is it so unusual to hear them use "bad" language that it would shock those around them?
Does your OC have a particular accent? Do other people ever judge or stereotype them on the basis of their accent? How do they feel about this?
Can other people recognise when your OC is angry or serious by the tone of their voice? Or does their language become coarser? Or perhaps more formal?
Does your OC show courtesy in their language around others - do they routinely thank others, or do they only do so if they percieve that person as being of a higher social status?
Has your OC much experience of public speaking or any formal training in rhetoric? Do they find such things easy or intimidatingly difficult?
Did your OC's parents or other caregivers use any specific terms of endearment for them as a child? Do (or would) they use similar terms for their own children?
Does your OC consider their voice particularly "sexy"? Do they try to adopt a more seductive tone in romantic situations? How successful are these efforts?
Does your OC often punctuate their speech with filler sounds, such as "um" or "er"? Or words such as "like" or "you know"?
Has your OC ever made a conscious effort to change their voice? Perhaps by trying to rid themselves of a particular accent or making themselves sound more assertive?
Are there any particular words that make your OC cringe? Is this due to negative associations? Or second-hand embarrassment? Do they try to conceal their dislike?
Is your OC talented at creative writing, whether poetry or prose? Would they ever show their work to anyone else?
Are there any concepts or activities which are taboo in your OC's culture of origin, which they prefer to refer to euphemistically? How do the respond to others who do not share these taboos?
What is your OC's favourite or "go-to" swearword when under duress?
Does your OC's body language sometimes give away what they might prefer to conceal? Or are they practiced at ensuring that their physical presentation matches their stated positions?
Has your OC ever found other people struggle to understand them because of their accent? How did this make them feel? Did they resent the listeners? Or feel bad about themselves? Or both?
How does your OC feel about other people with "posh" or "upper-class" accents? Do they feel a natural deference to them? Or a resentment? Or do they not even notice?
To what degree does your OC amend their language and/or tone when speaking to children (or in front of them).
Does your OC ever use technical or academic language when discussing their specialist interests? Do others ever need them to translate these terms?
Does your OC like to ascribe nicknames or pet names to other people? How well does this usually go down?
What is your OC's singing voice like? Does it surprise other people by being better (or worse) than they expected?
How confident is your OC at writing? Do they regularly write letters or even academic papers? Or is their writing stilted, awkward - or even a source of embarassment to them?
How does your OC's voice change when they are trying to persuade someone else to let them have their own way? Is this particularly persuasive? Perhaps only to certain people?
Has anyone ever mocked or made fun of your OC's accent or the words they use? What was the impact of this upon them?
What kind of compliments might your OC bestow upon another person? Elegant flattery? Crude sexual banter? Measured, but positive feedback?
Does your OC ever use deliberately offensive or abusive terms towards particular social or cultural groups?
How easy does your OC find it to say "no"? Do they prefer to prevaricate? Is this out of courtesy? Or from a fear of rejection?
Are there any words or terms that your OC finds particularly offensive? Is this unique to their own experiences or something on which most people would agree?
Is your OC particularly vocal during sex? Do they tend to use actual words or even full sentences? Or just noises? How much control do they have over this?
How often does your OC raise their voice? Is this always deliberate or can they sometimes not help it?
Does your OC ever make idle threats? Or do they only state very precisely exactly what the consequences will be?
How long are the sentences your OC usually uses in conversation? Do they tend to communicate in brief, or even terse, pieces of dialogue? Or are they prone to flowery language - or even outright verbosity?
Does your OC yell or scream during arguments? Or do they become quiet and withdrawn?
Does your OC ever talk to themselves? How aware of this are they?
What is your OC's laugh like? Is it a genteel titter? A hearty belly laugh? Or a snorting noise like a constipated donkey?
How wide is your OC's vocabulary? Do others consider them eloquent or well-read?
If confronted by someone who cannot - or will not - speak how would your OC respond? If they cannot - or will not - speak themselves then how do others respond to this? How do they make themselves understood?
Is your OC particularly loud in combat? Do they yell? Roar? Or are they a silent and deadly presence?
Does your OC challenge others for perceived discourtesies? Or are they unwilling or unmotivated to cause a scene?
Does your OC ever wish that their voice was different? Are they ever embarassed or ashamed of their accent or the volume of their voice?
Does your OC find any particular voices or accents especially alluring or stimulating?
How often does your OC add new words to their vocabulary? Do they hungrily pick up new terms and words? Or do they struggle to remember such things?
How eloquent is your OC? Is their use of language beautiful, or at least skillful? Or do they struggle to communicate without sounding clumsy or awkward?
Does your OC ever change their language or tone when moving between different cultures or social settings?
What (if any) are your OC's go to "polite" expressions of disappointment or frustration? Do they ever substitute words like "sugar" or "darn" for stronger language? Under what circumstances might they do this?
Does your OC find it easy to talk about sexual activities or bodily parts? Or can they only speak about them using twee euphemisms or obscure slang terms? Or can they not speak about them at all?
What would be the most offensive word or term to use about your OC? How would they respond to this being used towards them? Would it matter what the intent or understanding of the person using it might be?
Was your OC quick to learn how to speak as a child? Was their grasp of language encouraged by those around them? Did anyone read with them? Or recite poetry or stories to them?
Does your OC ever revert to baser, perhaps even coarser, ways of speaking when under stress or anxiety? Or are they consistently poised and self-controlled, no matter how difficult the situation?