slipway vs ways

slipway and ways both are nouns.

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

As nouns, slipway and ways are synonyms defined as:

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

Other synonyms of slipway include shipway.

slipway (noun)	ways (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