inflexible vs unadaptable

inflexible and unadaptable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
inflexible	No	Yes	No	No
unadaptable	No	Yes	No	No

inflexible (adjective)	unadaptable (adjective)
resistant to being bent	not adaptable
incapable of change
not making concessions
incapable of adapting or changing to meet circumstances