alkane vs aminoalkane

alkane and aminoalkane both are nouns.

Word	Noun	Adjective	Verb	Adverb
alkane	Yes	No	No	No
aminoalkane	Yes	No	No	No

As nouns, aminoalkane is a hyponym of alkane; that is, aminoalkane is a word with a more specific, narrower meaning than alkane:

alkane: a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)
aminoalkane: a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals

Other hyponyms of alkane include butane, amine, C2H6, ethane, heptane, hexane, methane.

alkane (noun)	aminoalkane (noun)
a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)	a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals