loggerhead vs loggerhead turtle

loggerhead and loggerhead turtle both are nouns.

Word	Noun	Adjective	Verb	Adverb
loggerhead	Yes	No	No	No
loggerhead turtle	Yes	No	No	No

As nouns, loggerhead and loggerhead turtle are synonyms defined as:

loggerhead and loggerhead turtle: very large carnivorous sea turtle; wide-ranging in warm open seas

Other synonyms of loggerhead include Caretta caretta.

loggerhead (noun)	loggerhead turtle (noun)
very large carnivorous sea turtle; wide-ranging in warm open seas	very large carnivorous sea turtle; wide-ranging in warm open seas
a stupid person; these words are used to express a low opinion of someone's intelligence