skirt vs travel by

skirt is a noun but travel by is not a noun.

Word	Noun	Adjective	Verb	Adverb
skirt	Yes	No	Yes	No
travel by	No	No	Yes	No

As verbs, travel by is a hypernym of skirt; that is, travel by is a word with a broader meaning than skirt:

Other hypernyms of skirt include go by, go past, pass, pass by, surpass.

skirt (noun)	travel by (noun)
a garment hanging from the waist; worn mainly by girls and women
cloth covering that forms the part of a garment below the waist
informal terms for a (young) woman
(Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar

skirt (verb)	travel by (verb)
avoid or try to avoid fulfilling, answering, or performing (duties, questions, or issues)	move past
extend on all sides of simultaneously; encircle
pass around or about; move along the border
form the edge of