Carling float vs life raft

Carling float and life raft both are nouns.

Word	Noun	Adjective	Verb	Adverb
Carling float	Yes	No	No	No
life raft	Yes	No	No	No

As nouns, Carling float and life raft are synonyms defined as:

Carling float and life raft: a raft to use if a ship must be abandoned in an emergency

Carling float (noun)	life raft (noun)
a raft to use if a ship must be abandoned in an emergency	a raft to use if a ship must be abandoned in an emergency