stamper vs pedestrian

stamper and pedestrian both are nouns.

Word	Noun	Adjective	Verb	Adverb
stamper	Yes	No	No	No
pedestrian	Yes	Yes	No	No

As nouns, pedestrian is a hypernym of stamper; that is, pedestrian is a word with a broader meaning than stamper:

stamper: someone who walks with a heavy noisy gait or who stamps on the ground
pedestrian: a person who travels by foot

Other hypernyms of stamper include footer, walker.

stamper (noun)	pedestrian (noun)
a power tool that stamps	a person who travels by foot
someone who walks with a heavy noisy gait or who stamps on the ground
a workman whose job is to form or cut out by applying a mold or die (either by hand or by operating a stamping machine)

stamper (adjective)	pedestrian (adjective)
	lacking wit or imagination