athodyd vs ramjet engine

athodyd and ramjet engine both are nouns.

Word	Noun	Adjective	Verb	Adverb
athodyd	Yes	No	No	No
ramjet engine	Yes	No	No	No

As nouns, athodyd and ramjet engine are synonyms defined as:

athodyd and ramjet engine: a simple type of jet engine; must be launched at high speed

Other synonyms of athodyd include atherodyde, flying drainpipe, ramjet.

athodyd (noun)	ramjet engine (noun)
a simple type of jet engine; must be launched at high speed	a simple type of jet engine; must be launched at high speed