dearer and dearest
Teapot is a noun and, as such, does not have a comparative degree.
"Less" is the comparative degree of little.
The comparative degree is bigger.
The comparative degree is wider.
The comparative degree of "holy" is "holier."
Thriftier is the comparative degree of thrifty.
The comparative degree for "lush" is "lusher."
"Speed" is a noun and a verb and, as such, does not have a comparative degree. The comparative of the adjective speedy is speedier.
better for its comparative and best for its superlative
"Less" is the comparative degree of little. The superlative degree is least.
"Message" is a noun and (these days) a verb and, as such, does not have a comparative degree.