conceited vs swollen-headed

conceited and swollen-headed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
conceited	No	Yes	No	No
swollen-headed	No	Yes	No	No

As adjectives, conceited and swollen-headed are synonyms defined as:

conceited and swollen-headed: characteristic of false pride; having an exaggerated sense of self-importance

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

conceited (adjective)	swollen-headed (adjective)
characteristic of false pride; having an exaggerated sense of self-importance	characteristic of false pride; having an exaggerated sense of self-importance