mobile vs ambulatory

mobile and ambulatory both are nouns.

Word	Noun	Adjective	Verb	Adverb
mobile	Yes	Yes	No	No
ambulatory	Yes	Yes	No	No

mobile (noun)	ambulatory (noun)
sculpture suspended in midair whose delicately balanced parts can be set in motion by air currents	a covered walkway (as in a cloister)

mobile (adjective)	ambulatory (adjective)
moving or capable of moving readily (especially from place to place)	relating to or adapted for walking
having transportation available	able to walk about
migratory
affording change (especially in social status)
capable of changing quickly from one state or condition to another