Cleaner
more clean, cleaner
comparative : purer superlative : purest
Both sentences are in the positive degree. Comparatively, they would be, "It is cleaner here than there. This city is not cleaner than that city."
-LY adverbs make their comparative/superlative with more/most (more gently, most gently).
The comparative degree of "fresh" is "fresher," used when comparing two items. The superlative degree is "freshest," used when comparing three or more items. These degrees are formed by adding "-er" and "-est" respectively to the base form of the adjective "fresh."
more clean, cleaner
Cleanest is the superlative degree of the word clean. Cleaner is the comparative degree
"Less" is the comparative degree of little.
The comparative degree is wider.
Teapot is a noun and, as such, does not have a comparative degree.
The comparative degree of "holy" is "holier."
The comparative form of "clean" is "cleaner."
Thriftier is the comparative degree of thrifty.
The comparative degree for "lush" is "lusher."
The comparative degree of "light" is "lighter."
better for its comparative and best for its superlative
"Speed" is a noun and a verb and, as such, does not have a comparative degree. The comparative of the adjective speedy is speedier.