alkane vs methane series

alkane and methane series both are nouns.

Word	Noun	Adjective	Verb	Adverb
alkane	Yes	No	No	No
methane series	Yes	No	No	No

As nouns, alkane and methane series are synonyms defined as:

alkane and methane series: a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)

Other synonyms of alkane include alkane series, paraffin, paraffin series.

alkane (noun)	methane series (noun)
a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)	a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)