Both "overtly" and "covertly" are correct spellings, but they have different meanings. "Overtly" is an adverb used to describe actions, behaviors, or characteristics that are done openly, without hiding or concealing anything.

The correct phrase to use is "Which of the following." The word "following" is used as a present participle adjective in this context, and it is used to modify the noun "which."

"Adress" is not the correct spelling. The correct spelling is "address." As a noun, "address" refers to the location or specific details of where someone lives, works, or an organization's headquarters.

"Amature" is an incorrect spelling. The correct spelling is "amateur." The word "amateur" is used to describe someone who engages in a particular activity, sport, or hobby for the love of it or as a pastime, rather than as a profession.

"Loofa" is an incorrect spelling. The correct spelling is "loofah" or "luffa." "Loofah" is a term used to refer to a type of bath sponge or scrubber that people use in the shower or bath to clean and exfoliate their skin.

"Slure" is not the correct spelling. The correct spelling is "slur." "Slur" is a noun or a verb used to describe an insulting or demeaning remark or action aimed at discrediting or belittling someone or something.

Both "aberrancy" and "aberrance" are correct spellings, and they are synonymous. They both refer to the state or quality of being aberrant or deviating from the normal or expected course, pattern, or behavior

"Verie" is not the correct spelling. The correct spelling is "very." "Very" is an adverb used to give emphasis or add intensity to a word it modifies.

"Guage" is not the correct spelling. The correct spelling is "gauge." "Gauge" is a versatile word used when you need to measure, assess, or determine the extent or size of something, whether it's with a physical instrument or by making a judgment based on observation or evaluation.