walker vs peripatetic

walker and peripatetic both are nouns.

Word	Noun	Adjective	Verb	Adverb
walker	Yes	No	No	No
peripatetic	Yes	Yes	No	No

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

walker (noun)	peripatetic (noun)
an enclosing framework on casters or wheels; helps babies learn to walk	a person who walks from place to place
a light enclosing framework (trade name Zimmer) with rubber castors or wheels and handles; helps invalids or the handicapped or the aged to walk
a shoe designed for comfortable walking
a person who travels by foot

walker (adjective)	peripatetic (adjective)
	of or relating to Aristotle or his philosophy
	traveling especially on foot