Declension Tables

Proper Nouns
Example: Rihanha Nom-Acc
Subject-Object
Genitive
Possessive
Dative
Indirect Object
Singular (-ha)
Rihanha
a Romulan
s'-
s'Rihan
Romulan's
-(h)'ri
Rihanh'ri
(to/for) the Romulan
Plural -su
Rihannsu
Romulans
ch'-
ch'Rihan
Romulans'
-su'ri
Rihannsu'ri
(to/for) the Romulans
In the Nom-Acc and Dative plurals, a final "n" or "m" in the root word is doubled before adding the suffix

Group 1 Nouns: Ending in -æ, -e and -i
Example: dhroi Nom-Acc
Subject-Object
Genitive
Possessive
Dative
Indirect Object
Singular dhroi
answer
-n
dhroin
answer's
-vha
droivha
(to/for) the answer
Plural -in
dhroiin
answers
-en
dhroien
answers'
-vher
dhroivher
(to/for) the answers

Group 2 Nouns: Ending in -a, -o and -u
Example: fhuokha Nom-Acc
Subject-Object
Genitive
Possessive
Dative
Indirect Object
Singular fhuokha
messenger
-m
fhuokham
messenger's
-vha
fhuokhavha
(to/for) the messenger
Plural -r
fhuokhar
messengers
-(')en
fhuokha'en
messengers'
-vher
fhuokhavher
(to/for) the messengers

Group 3 Nouns: Ending in a Consonant but not -am
Example: rheahk Nom-Acc
Subject-Object
Genitive
Possessive
Dative
Indirect Object
Singular rheahk
school
-ai
rheahkai
school's
-evha
rheahkevha
(to/for) the school
Plural -ir
rheahkir
schools
-en
rheahken
schools'
-evher
rheahkevher
(to/for) the schools

Group 4 Nouns: Ending in -sam
Example: ravsam Nom-Acc
Subject-Object
Genitive
Possessive
Dative
Indirect Object
Singular ravsam
sibling
-sam to -sem
ravsem
sibling's
-*sam to -sevha
rasevha
(to/for) the sibling
Plural -sam to -sai
ravsai
siblings
-sam to -sen
ravsen
siblings'
-*sam to -sevher
rasevher
(to/for) the siblings

Group 5 Nouns: Ending in -am but not -sam
Example: rhadam Nom-Acc
Subject-Object
Genitive
Possessive
Dative
Indirect Object
Singular rhadam
person
-am to -em
rhadem
person's
-*am to -evha
rhaevha
(to/for) the person
Plural -am to -ai
rhadai
persons/people
-am to -en
rhaden
persons'
-*am to -evher
rhaevher
(to/for) the persons

Irregular Nouns

hfai Nom-Acc
Subject-Object
Genitive
Possessive
Dative
Indirect Object
Singular hfai
servant
hfeham
servant's
hfaevha
(to/for) the servent
Plural hfehan
servants
hfahen
servants'
hfaevher
(to/for) the servants
hfihar Nom-Acc
Subject-Object
Genitive
Possessive
Dative
Indirect Object
Singular hfihar
houseclan
hfirh
houseclan's
hfihevha
(to/for) the houseclan
Plural hfihrnn
houseclans
hfirhin
houseclans'
hfihevher
(to/for) the houseclans