loggerhead turtle vs loggerhead

loggerhead turtle and loggerhead both are nouns.

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

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

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

Other synonyms of loggerhead turtle include Caretta caretta.

loggerhead turtle (noun)	loggerhead (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