country-dance vs sashay

country-dance and sashay both are nouns.

Word	Noun	Adjective	Verb	Adverb
country-dance	Yes	No	Yes	No
sashay	Yes	No	Yes	No

As nouns, sashay is a hyponym of country-dance; that is, sashay is a word with a more specific, narrower meaning than country-dance:

country-dance: a type of folk dance in which couples are arranged in sets or face one another in a line
sashay: a square dance figure; partners circle each other taking sideways steps

Other hyponyms of country-dance include longways, longways dance, square dance, square dancing, do-si-do, promenade, swing, landler.

country-dance (noun)	sashay (noun)
a type of folk dance in which couples are arranged in sets or face one another in a line	(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

country-dance (verb)	sashay (verb)
perform a contradance	to walk with a lofty proud gait, often in an attempt to impress others
	move sideways
	perform a chasse step, in ballet