easy vs painless

easy and painless both are adjectives.

Word	Noun	Adjective	Verb	Adverb
easy	No	Yes	No	Yes
painless	No	Yes	No	No

easy (adjective)	painless (adjective)
posing no difficulty; requiring little effort	not causing physical or psychological pain
free from worry or anxiety	requiring little hard work or exertion
obtained with little effort or sacrifice, often obtained illegally
less in demand and therefore readily obtainable
affording comfort
marked by moderate steepness
readily exploited or tricked
having little impact
affording pleasure
in fortunate circumstances financially; moderately rich
casual and unrestrained in sexual behavior
not hurried or forced
not strict

easy (adverb)	painless (adverb)
in a relaxed manner; or without hardship
with ease (`easy' is sometimes used informally for `easily')
without speed (`slow' is sometimes used informally for `slowly')