hawksbill vs hawkbill

hawksbill and hawkbill both are nouns.

Word	Noun	Adjective	Verb	Adverb
hawksbill	Yes	No	No	No
hawkbill	Yes	No	No	No

As nouns, hawksbill and hawkbill are synonyms defined as:

hawksbill and hawkbill: pugnacious tropical sea turtle with a hawk-like beak; source of food and the best tortoiseshell

Other synonyms of hawksbill include Eretmochelys imbricata, hawksbill turtle, tortoiseshell turtle.

hawksbill (noun)	hawkbill (noun)
pugnacious tropical sea turtle with a hawk-like beak; source of food and the best tortoiseshell	pugnacious tropical sea turtle with a hawk-like beak; source of food and the best tortoiseshell