chick vs Gallus gallus

chick and Gallus gallus both are nouns.

Word	Noun	Adjective	Verb	Adverb
chick	Yes	No	No	No
Gallus gallus	Yes	No	No	No

As nouns, Gallus gallus is a hypernym of chick; that is, Gallus gallus is a word with a broader meaning than chick:

chick: young bird especially of domestic fowl
Gallus gallus: a domestic fowl bred for flesh or eggs; believed to have been developed from the red jungle fowl

Other hypernyms of chick include young bird, chicken.

chick (noun)	Gallus gallus (noun)
young bird especially of domestic fowl	a jungle fowl of southeastern Asia that is considered ancestral to the domestic fowl
informal terms for a (young) woman	a domestic fowl bred for flesh or eggs; believed to have been developed from the red jungle fowl