circumlocution vs periphrasis

circumlocution and periphrasis both are nouns.

Word	Noun	Adjective	Verb	Adverb
circumlocution	Yes	No	No	No
periphrasis	Yes	No	No	No

As nouns, circumlocution and periphrasis are synonyms defined as:

circumlocution and periphrasis: a style that involves indirect ways of expressing things

Other synonyms of circumlocution include ambage.

circumlocution (noun)	periphrasis (noun)
a style that involves indirect ways of expressing things	a style that involves indirect ways of expressing things
an indirect way of expressing something