gerbil vs jird

gerbil and jird both are nouns.

Word	Noun	Adjective	Verb	Adverb
gerbil	Yes	No	No	No
jird	Yes	No	No	No

As nouns, jird is a hyponym of gerbil; that is, jird is a word with a more specific, narrower meaning than gerbil:

gerbil: small Old World burrowing desert rodent with long soft pale fur and hind legs adapted for leaping
jird: gerbil of northern Africa

Other hyponyms of gerbil include Meriones unguiculatus, tamarisk gerbil, Meriones longifrons, sand rat.

gerbil (noun)	jird (noun)
small Old World burrowing desert rodent with long soft pale fur and hind legs adapted for leaping	gerbil of northern Africa