flank vs flanker

flank and flanker both are nouns.

Word	Noun	Adjective	Verb	Adverb
flank	Yes	No	Yes	No
flanker	Yes	No	No	No

flank (noun)	flanker (noun)
the side between ribs and hipbone	a soldier who is a member of a detachment assigned to guard the flanks of a military formation
a cut from the fleshy part of an animal's side between the ribs and the leg	a back stationed wide of the scrimmage line; used as a pass receiver
the side of military or naval formation
a subfigure consisting of a side of something

flank (verb)	flanker (verb)
be located at the sides of something or somebody