OK, onto nouns.  We'll start with animates, since they have more inflection than inanimates. Animate nouns inflect for possession, number, and obviation; they have locative and vocative forms.

All nouns in addition can take prenouns, a closed class of descriptive prefixes which basically act like adjectives in European languages. (There is no lexical class of adjective in Proto-Nahtak- their functions are handled by prenouns and stative verbs). The template for a noun is:

[possessive prefix]-[prenoun]-stem-[obviation/plurality]-[locative/vocative]-[possessive suffix]


We'll start with possession. Possessed animate nouns always take a prefix and a suffix. A table of possessive markers:

	Sg	Pl
1	nɨ-...-(h)et	nɨ-...nɨk
12	Ø	łɨ-...nɨk
2	łɨ-...-(h)et	łɨ-...(e)k
3AN.PROX	hā(n)-...(h)et	hā(n)-...(e)k
3AN.OBV	wī(y)-...-(h)et	wī(y)...(e)k

All words in Proto-Nahtak must begin with a consonant, but prenouns do not necessarily start with one. If a prefix contains an optional consonant, this only shows up before vowel-initial prenouns. Optional vowels in suffixes appear when the suffix must come after a consonant, and optional consonants after a vowel.

When the possessor is plural, the possessive suffix distinguishes first-person from non first-person. A first-person inclusive possessor takes a second-person prefix and a first-person suffix.

Some examples:

heθe 'dog' -> nɨ-heθe-het 'my dog'
šɨ̄šē 'duck' -> łɨ-šɨ̄šē-nɨk 'our (including your) duck'
θēno 'cow' -> hā-θēno-k 'his/her cow'

Prenouns come between any possessive prefix and the noun stem. They are semantic, not syntactic, and usually encode adjective-like semantic primes. Examples include -ōsi- 'large' and -cōʔa- 'tall'. There may be an /h/ inserted before the prenoun if there would be a vowel hiatus or word-initial vowel. Some examples:

nɨ-hōsi-heθe-het 'my big dog'
cōʔakʷēh 'the tall woman'

This is followed by the stem. This may always stand alone (unless the noun is obligatorily possessed); if so, it is unpossessed, singular, proximate (if animate) and neither locative nor vocative.

The stem is followed by the plurality/obviation slot. Animate nouns combine these into a single affix.

	Singular	Plural
Proximate	-Ø-	-(y)āt-
Obviative	-(y)ēh/-(w)ōh	-(e)hta/-(o)hta

Optional consonants appear after vowels, and likewise with optional vowels. The plural markers signal a retention of some sort of vowel-harmony system in pre-Proto-Nahtak: when the first vowel of the root is a front vowel /i ī e ē/, use the /e/ variant; when it's a back vowel /a ā o ō/, use the /o/ variant. The behavior of the high central vowels /ɨ ɨ̄/ varied by branch; some branches treated them as front, others as back. (The branch I'm working on first treated /ɨ ɨ̄/ as front, so that's what I'll do in examples.)

When the singular obviative ending would have taken the same vowel as the last vowel of the root, they merged, producing -ēh/-ōh, so that heθe 'dog' obviates to heθēh, not heθe-yēh. Similar mergers and lengthening occured in the plural obviative: heθēhta, not heθehta.

Examples:

hēs-ēh 'beavers'
nahtāk-ohta 'tribes, peoples (obviated)'
łɨ-č'ān-ōh-et 'your friends'

Finally, locative and vocative endings may appear (though before any possessive suffixes). The locative ending, again, varies by vowel harmony: in words whose first vowel is front it is -hse/-ise, in back-vowel words -hso/-aso. After the plural proximate animate ending, simply add -se/-so.

The vocative ending is -(ʔ)ā. It only occurs on animate nouns.

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Inanimates

Inanimates are simpler in inflection than animates. They have no obviation or vocative markers, and possession is a bit simpler in that no possessive suffix is needed if the possessor is singular. To wit:

	Sg	Pl
1	nɨ-	nɨ-...nɨk
12	Ø	łɨ-...nɨk
2	łɨ-	łɨ-...(e)k
3AN.PROX	hā(n)-	hā(n)-...(e)k
3AN.OBV	wī(y)-	wī(y)...(e)k

Prenouns do not distinguish gender.

There is no obviation marking in inanimate nouns, so they have only a plural to deal with in the obviation/plurality slot. This morpheme is -iki/-hki and does not distinguish vowel harmony. If the word ends in -h, simply add -ki; if it ends in -k, add -i. Examples:

nismā-hki 'potatoes'
māhi-ki 'fish'
yahmɨ-hki 'knives'
mɨkʷik-i 'clouds'

The locative is the same as in animates.

[EDIT: Also adding an instrumental marker -(y)eši-/-(y)oši-. This is the same in animates and inanimates and goes in the locative/vocative slot.]