The adjective protective has the adverb form protectively.
There is no adverb form of "worked" (past tense verb or adjective).
Invented
The infinitive would be "to invent"
The noun safety is related to the adjective safe. The adverb form is safely (in a safe manner, in a way insuring safety).
No, it is an adjective. Anonymously is the adverb form.
The related adverb form is decreasingly. It is the adverb form of the present participle, decreasing. The past participle, decreased, does not form an adverb.
The adverb form is incessantly.
The adverb form is originally.
The adverb form is originally.
what is the adverb form of freedom
The adverb form is measurably.
The adverb form is academically.
The adverb form is strangely.
The adverb form is secondarily.
The adverb form in 'readily'
Diametrically is the adverb form.