my non-exhaustive list of beloved japanese words (part 1, probably)
寂しがり屋（さびしがりや） = person who is often lonely and craves company
子（こ） = child; young person; anything affectionately ascribed a personality (e.g., pet, houseplant, etc.)
橙色（だいだいいろ） = orange (color) (uncommon)
弥生（やよい） = march (obsolete)
葉月（はづき） = august (obsolete)
せせらぎ = small stream; murmuring of a small stream
眼差し（まなざし） = a glance, look
ご無沙汰（ごぶさた） = neglecting to write, call, etc.
真似（まね） = mimicking, copying; behavior, conduct
ふり = pretense, pretending; behavior, appearance
八つ当たり（やつあたり） = taking out one's anger
空回り（からまわり） = spinning one's wheels, going nowhere
くっつく = to cling to; to keep close to; to be thick (as thieves) with
逸らす（そらす） = to turn away, avert; to evade (e.g., the subject)
ずれる = to slip off, get dislocated, be out of alignment; to be out of sync, be slightly off
どく = to get out of the way, make way
去る（さる） = to leave, go away (usu. high register or literary)
脱ぎ散らかす（ぬぎちらかす） = to strip clothes off and leave them lying everywhere
紛らわす（まぎらわす） = to divert, distract (from), relieve (e.g., boredom, sadness, etc.); to evade (e.g., the subject)
遭う（あう） = to meet with (some incident), have a bad experience
千切る（ちぎる） = to tear to pieces
契る（ちぎる） = to pledge, vow, promise
苦手（にがて）な = can't handle, not suited for (e.g., of one's preferences)
マシな = preferable, least worst
薄暗い（うすぐらい） = dim, gloomy (lit. "thinly dark")
淡い（あわい） = light, faint, fleeting
ややこしい = complicated, difficult, tricky
人恋しい（ひとこいしい） = longing for others, wanting company
図々しい（ずうずうしい） = shameless, brazen
惜しい（おしい） = close (but no cigar) (e.g., of a guess)
愛おしい（いとおしい） = beloved, darling, dearest
メロい = lovable, captivating, swoon-worthy (slang)
てっきり = surely but mistakenly (e.g., of some assumption)
むっつり = sullenly; taciturn person (as noun)
くっきり = clearly, in sharp relief (i.e., visually)
ずるずる = dragging (gradually)
ゾッコン = head over heels, completely in love
めでたしめでたし = and they all lived happily ever after
わけがわからない = incomprehensible, baffling, meaningless
見て見ぬ（みてみぬ）ふり = turning a blind eye, pretending not to notice
ニコイチ = making a functioning machine out of broken parts from other machines; two people who are so close as to be treated as one unit
中途半端（ちゅうとはんぱ） = half-assed, incomplete
間（ま）に合う（あう） = to make it in time
