Things We Probably Know About Valarin
As deduced from my going-through of that small lexicon the other day.
<p> [p] : <t> [t] : <c>, <k> [k]
<b> [b] : <d> [d] : <g> [ɡ]
<þ> [þ] : <s> [s] : <š> [ʃ] : <h>, <x> [x]
<ð> [ð] : <z> [z] : <ʒ> [ʒ]
Names of Valar receive the honorific suffix <-z>
If two nouns are compounded, the resulting compound is head-initial. If a noun and an adjectival element are compounded, the resulting compound is head-final.
The adjective <tulukhan> 'yellow, golden' when compounded loses its final <-an>. It is unknown whether or not this pattern continues for other compounded adjectives.
The element <ai> may or may not signify a participle.
<oššai>, <ošošai> 'spuming, foaming'
<tulukhan> 'yellow, golden'
Unanalyzed Lexicon (including names)
<Ibrîniðilpathânezel> 'the White Tree of Valinor'
<Mâchananaškad> 'Ring of Doom'
<Phanaikelûth> 'moon' (lit. 'bright mirror')
<Tulukhedelgorûs> 'Golden Tree of Valinor'