know as vs take to be

know as and take to be both are verbs.

Word	Noun	Adjective	Verb	Adverb
know as	No	No	Yes	No
take to be	No	No	Yes	No

As verbs, know as and take to be are synonyms defined as:

Other synonyms of know as include be known as, esteem, look on, look upon, regard as, repute, think of.

know as (verb)	take to be (verb)
look on as or consider	look on as or consider
assign a specified (usually proper) name to