on-line vs machine-accessible

on-line and machine-accessible both are adjectives.

Word	Noun	Adjective	Verb	Adverb
on-line	No	Yes	No	No
machine-accessible	No	Yes	No	No

on-line (adjective)	machine-accessible (adjective)
connected to a computer network or accessible by computer	stored in, controlled by, or in direct communication with a central computer
on a regular route of a railroad or bus or airline system
being in progress now