effective vs existent

effective and existent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
effective	No	Yes	No	No
existent	No	Yes	No	No

effective (adjective)	existent (adjective)
producing or capable of producing an intended result or having a striking effect	having existence or being or actuality
existing in fact; not theoretical; real	being or occurring in fact or actuality; having verified existence; not illusory
able to accomplish a purpose; functioning effectively	presently existing in fact and not merely potential or possible
works well as a means or remedy
ready for service
exerting force or influence