twofold vs threefold

twofold and threefold both are adjectives.

Word	Noun	Adjective	Verb	Adverb
twofold	No	Yes	No	Yes
threefold	No	Yes	No	Yes

As adjectives, twofold and threefold are synonyms defined as:

twofold and threefold: having more than one decidedly dissimilar aspects or qualities

Other synonyms of twofold include double, dual, three-fold, treble, two-fold.

twofold (adjective)	threefold (adjective)
twice as great or many	three times as great or many
having more than one decidedly dissimilar aspects or qualities	having more than one decidedly dissimilar aspects or qualities

twofold (adverb)	threefold (adverb)
by a factor of two	by a factor of three