low profile vs profile

low profile and profile both are nouns.

Word	Noun	Adjective	Verb	Adverb
low profile	Yes	No	No	No
profile	Yes	No	Yes	No

As nouns, profile is a hypernym of low profile; that is, profile is a word with a broader meaning than low profile:

Other hypernyms of low profile include visibility.

low profile (noun)	profile (noun)
a state of low visibility in which public notice is avoided	biographical sketch
	an analysis (often in graphical form) representing the extent to which something exhibits various characteristics
	a vertical section of the Earth's crust showing the different horizons or layers
	an outline of something (especially a human face as seen from one side)
	degree of exposure to public notice

low profile (verb)	profile (verb)
	represent in profile, by drawing or painting
	write about