profile vs low profile

profile and low profile both are nouns.

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

As nouns, low profile is a hyponym of profile; that is, low profile is a word with a more specific, narrower meaning than profile:

profile (noun)	low profile (noun)
biographical sketch	a state of low visibility in which public notice is avoided
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

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