vain vs egotistical

vain and egotistical both are adjectives.

Word	Noun	Adjective	Verb	Adverb
vain	No	Yes	No	No
egotistical	No	Yes	No	No

As adjectives, vain and egotistical are synonyms defined as:

vain and egotistical: characteristic of false pride; having an exaggerated sense of self-importance

Other synonyms of vain include conceited, egotistic, self-conceited, swollen-headed, swollen.

vain (adjective)	egotistical (adjective)
characteristic of false pride; having an exaggerated sense of self-importance	characteristic of false pride; having an exaggerated sense of self-importance
unproductive of success	characteristic of those having an inflated idea of their own importance