Swollen.
gulp, pant, puff
swell
The root word of "swollen" is "swell." "Swell" means to become larger in size, which is the basis for the word "swollen" indicating a body part that has enlarged due to inflammation or injury.
The root word 'edem' means 'swell.'
splay, widen, swell
swell, climb, surge
nifty
bud
bulge
Swell means to grow bigger, as in 'the swell of the ocean' or 'I could see his chest swell with pride' or, in musical terms, 'the swell of the orchestra' as it grows louder. It is also used as a slang term to mean 'good'.
I/You/We/They puff. He/She/It puffs. The present participle is puffing.
Snuff rhymes with puff.