delta wing vs aeroplane

delta wing and aeroplane both are nouns.

Word	Noun	Adjective	Verb	Adverb
delta wing	Yes	No	No	No
aeroplane	Yes	No	No	No

As nouns, aeroplane is a hypernym of delta wing; that is, aeroplane is a word with a broader meaning than delta wing:

delta wing: an airplane with wings that give it the appearance of an isosceles triangle
aeroplane: an aircraft that has a fixed wing and is powered by propellers or jets

Other hypernyms of delta wing include airplane, plane.

delta wing (noun)	aeroplane (noun)
an airplane with wings that give it the appearance of an isosceles triangle	an aircraft that has a fixed wing and is powered by propellers or jets