ask vs enquire

ask and enquire both are verbs.

Word	Noun	Adjective	Verb	Adverb
ask	No	No	Yes	No
enquire	No	No	Yes	No

As verbs, ask and enquire are synonyms defined as:

Other synonyms of ask include inquire.

ask (verb)	enquire (verb)
make a request or demand for something to somebody	have a wish or desire to know something
direct or put; seek an answer to	address a question to and expect an answer from
address a question to and expect an answer from	conduct an inquiry or investigation of
consider obligatory; request and expect
require or ask for as a price or condition
make a date
require as useful, just, or proper