coast vs sideslip

coast and sideslip both are nouns.

Word	Noun	Adjective	Verb	Adverb
coast	Yes	No	Yes	No
sideslip	Yes	No	No	No

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

coast: the act of moving smoothly along a surface while remaining in contact with it
sideslip: an unexpected slide

Other hyponyms of coast include skid, slip, snowboarding.

coast (noun)	sideslip (noun)
the act of moving smoothly along a surface while remaining in contact with it	an unexpected slide
the area within view	a flight maneuver; aircraft slides sideways in the air
the shore of a sea or ocean
a slope down which sleds may coast

coast (verb)	sideslip (verb)
move effortlessly; by force of gravity