ways vs slipway

ways and slipway both are nouns.

Word	Noun	Adjective	Verb	Adverb
ways	Yes	No	No	No
slipway	Yes	No	No	No

As nouns, ways and slipway are synonyms defined as:

ways and slipway: structure consisting of a sloping way down to the water from the place where ships are built or repaired

Other synonyms of ways include shipway.

ways (noun)	slipway (noun)
structure consisting of a sloping way down to the water from the place where ships are built or repaired	structure consisting of a sloping way down to the water from the place where ships are built or repaired