know as vs entitle

know as and entitle both are verbs.

Word	Noun	Adjective	Verb	Adverb
know as	No	No	Yes	No
entitle	No	No	Yes	No

As verbs, entitle is a hyponym of know as; that is, entitle is a word with a more specific, narrower meaning than know as:

Other hyponyms of know as include baptise, baptize, christen, refer, style, title, dub, nickname, rename, title, term, tag.

know as (verb)	entitle (verb)
look on as or consider	give a title to
assign a specified (usually proper) name to	give the right to
	give a title to someone; make someone a member of the nobility