The adverb form for the noun manner is mannerly, which is also an adjective.
The adverb form is absurdly. It means in an absurd or nonsensical manner.
The adverb form is "responsibly" (in a responsible manner). As in "Please act responsibly."
The adverb form of "identity" is "identically," which means in an identical manner or way.
The adverb is comprehensibly (in a manner that can be understood)*Not to be confused with comprehensively - done in a detailed and complete manner)
Yes it is. It is the adverb form of willing and means in a voluntary manner.
The adverb form is "angrily" (in an angry manner).
No. Superlative is an adjective. The adverb form is superlatively (in a comparative manner).
No, devious is an adjective. The adverb form is deviously (in a scheming manner).
Yes, it is an adverb, the adverb form of thirsty. It means in a manner that shows thirst.Yes, thirstily is an adverb.
No, excellent is an adjective. The adverb form is excellently.
Recession is a noun. It has an adjective form recessional and an adverb recessionally (which refers to the manner). There is a related adverb "recessive" (not dominant) which has the adverb form recessively.
Yes it is. It is the adverb form of the adjective expensive, and means in a costly, lavish or extravagant manner.