Janus-faced vs two-faced

Janus-faced and two-faced both are adjectives.

Word	Noun	Adjective	Verb	Adverb
Janus-faced	No	Yes	No	No
two-faced	No	Yes	No	No

As adjectives, Janus-faced and two-faced are synonyms defined as:

Janus-faced and two-faced: marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another

Other synonyms of Janus-faced include ambidextrous, deceitful, double-dealing, double-faced, double-tongued, duplicitous.

As adjectives, Janus-faced and two-faced are synonyms defined as:

Janus-faced and two-faced: having two faces--one looking to the future and one to the past

Janus-faced (adjective)	two-faced (adjective)
having or concerned with polarities or contrasts	marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another
marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another	having two faces--one looking to the future and one to the past
having two faces--one looking to the future and one to the past