aircraftsman vs aircraftman

aircraftsman and aircraftman both are nouns.

Word	Noun	Adjective	Verb	Adverb
aircraftsman	Yes	No	No	No
aircraftman	Yes	No	No	No

As nouns, aircraftsman and aircraftman are synonyms defined as:

aircraftsman and aircraftman: a noncommissioned officer in the British Royal Air Force

aircraftsman (noun)	aircraftman (noun)
a noncommissioned officer in the British Royal Air Force	a noncommissioned officer in the British Royal Air Force