bottle-nosed whale vs bottlenose

bottle-nosed whale and bottlenose both are nouns.

Word	Noun	Adjective	Verb	Adverb
bottle-nosed whale	Yes	No	No	No
bottlenose	Yes	No	No	No

As nouns, bottle-nosed whale and bottlenose are synonyms defined as:

bottle-nosed whale and bottlenose: northern Atlantic beaked whale with a bulbous forehead

Other synonyms of bottle-nosed whale include bottlenose whale, Hyperoodon ampullatus.

bottle-nosed whale (noun)	bottlenose (noun)
northern Atlantic beaked whale with a bulbous forehead	northern Atlantic beaked whale with a bulbous forehead
	any of several dolphins with rounded forehead and well-developed beak; chiefly of northern Atlantic and Mediterranean