That is the correct spelling for "stupidity" and "contagious." (It isn't always.)
That is the correct spelling of "stupidity" (inanity, foolishness).
branielisis, not contagious for more information go to www.professorslab/diseases.com
The correct spelling of the adjective is contagious(communicable, infectious).
The correct spelling of the adjective is contagious(infectious, or able to spread disease).
The correct spelling is contagious (able to infect others).
There is only one correct way to spell "contagious." Words that might be synonyms include infectious, communicable, transmissible, or transmittable. A phonetic spelling could be kontayjus.
the base word is contagious
The correct spelling of the word is quarantine(isolation, as for contagious diseases).
His stupidity led to the accident.It was a moment of stupidity.
The study of stupidity is called monology.
"Stupidity and stupid" are nouns. It is not common to turn a noun into a verb - and even then it is not correct practice. I know of no verb form of 'stupidity'.
It can be both, because it depends on what you are comparing 'stupidity' to.