conjugated vs coupled

conjugated and coupled both are adjectives.

Word	Noun	Adjective	Verb	Adverb
conjugated	No	Yes	No	No
coupled	No	Yes	No	No

As adjectives, conjugated and coupled are synonyms defined as:

Other synonyms of conjugated include conjugate.

conjugated (adjective)	coupled (adjective)
joined together especially in a pair or pairs	connected by a link, as railway cars or trailer trucks
of an organic compound; containing two or more double bonds each separated from the other by a single bond	joined together especially in a pair or pairs
formed by the union of two compounds