busy vs employed

busy and employed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
busy	No	Yes	Yes	No
employed	No	Yes	No	No

busy (adjective)	employed (adjective)
actively or fully engaged or occupied	having your services engaged for; or having a job especially one that pays wages or a salary
overcrowded or cluttered with detail	made useful
intrusive in a meddling or offensive manner
(of facilities such as telephones or lavatories) unavailable for use by anyone else or indicating unavailability; (`engaged' is a British term for a busy telephone line)
crowded with or characterized by much activity

busy (verb)	employed (verb)
keep busy with