footprint vs footmark

footprint and footmark both are nouns.

Word	Noun	Adjective	Verb	Adverb
footprint	Yes	No	No	No
footmark	Yes	No	No	No

As nouns, footprint and footmark are synonyms defined as:

Other synonyms of footprint include step.

footprint (noun)	footmark (noun)
the area taken up by some object	a mark of a foot or shoe on a surface
a mark of a foot or shoe on a surface
a trace suggesting that something was once present or felt or otherwise important