sashay vs sidle

sashay is a noun but sidle is not a noun.

Word	Noun	Adjective	Verb	Adverb
sashay	Yes	No	Yes	No
sidle	No	No	Yes	No

As verbs, sashay and sidle are synonyms defined as:

sashay (noun)	sidle (noun)
(ballet) quick gliding steps with one foot always leading
a square dance figure; partners circle each other taking sideways steps
a journey taken for pleasure

sashay (verb)	sidle (verb)
to walk with a lofty proud gait, often in an attempt to impress others	move sideways
move sideways	move unobtrusively or furtively
perform a chasse step, in ballet