Singular
NOMINATIVE
os ard
▪an t-os ard
GENITIVE
ois aird
▪an ois aird
NOTE When the definite article
(an)
is not present, generally the nominative is used instead of the genitive:
ag lorg an ois aird, le haghaidh an ois aird
but ag lorg os ard, le haghaidh os ard.
Plural
NOMINATIVE
ois arda
▪na hois arda
GENITIVE
os ard
▪na n-os ard
NOTE When the definite article (na) is not present, generally the nominative is used instead of the genitive:
ag lorg na n-os ard, le haghaidh na n-os ard
but ag lorg ois arda, le haghaidh ois arda.