Fester vs Faster - What's the difference?

As a verb fester

is to become septic; to become rotten.

comparative of fast.

comparative of fast POS=adverb.

agent noun of fast (voluntarily refrain from eating); one who fasts.

(en verb)

To become septic; to become rotten.

* Milton

Wounds immedicable / Rankle, and fester , and gangrene.

To worsen, especially due to lack of attention.

Deal with the problem immediately; do not let it fester .

* Macaulay

Hatred festered in the hearts of the children of the soil.

To cause to fester or rankle.

* Marston

For which I burnt in inward, swelt'ring hate, / And fester'd rankling malice in my breast.

* ----

(head)

(fast)

(head)

(en noun)

Agent noun of fast (voluntarily refrain from eating); one who fasts.