Lexical affixes

Prefixes

These are all the known prefixes that change the class of a word as of December 29, 2009. None of these appear to change the position of the stress accent.

• nì- forms adverbs from nouns, adjectives and verbs, as in nìNa'vi Na'vily, in Na'vi (TO), nìftue easily from ftue easy, nìtam enough from tam suffice, be enough (ASG, Dictionary)
• tì- forms nouns from adjectives and verbs, as in tìftia study (n.) from ftia study (v.) (SciMag), tìngay truth from ngay true (ASG, Dictionary)
• le- forms adjectives from nouns, as in lehrrap dangerous from hrrap danger (ASG, Dictionary), leNa'vi Na'vi (adj.) from Na'vi Na'vi (n.) (ASG, Weaving Song)

Suffixes

• -yu creates an agent noun, as in taronyu hunter from taron hunt (ASG, Dictionary). It does not appear to alter the stress accent of a word.