The word fast can be a noun meaning abstinence from food.
It is also a verb with the same meaning, to refrain from eating (as for religious or for medical purposes).
It is often an adjective meaning quick or rapid, or tightly attached (fastened).
It is also an adverb meaning quickly and rapidly, or tightly as above.
The word faster is an adjective. It means more fast.
adverb
extremely is an adverb and usually describes (or modifies) an adjective. eg He ran extremely fast
what part of speech is beneath
i want to know what part of speech is camping
grammer
adverb
Fasted is a verb
"Fast-paced" is an adjective. It describes something that is moving or happening quickly.
The word faster is an adjective. It means more fast.
Eaters is a noun.
In the sentence "Ram walks fast," the word "fast" is an adverb modifying the verb "walks." It describes how Ram walks.
Olympic is a noun.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
adverb