Is Always One Word?

Under any circumstances. It is always, always, always separated into two words: a lot. You will probably frequently see the word written as alot, but it's wrong.

Which is correct alway or always?

Always means at all times; ever; perpetually; throughout all time; continually when used as an adverb. Alway is an archaic word that means all along; for all time, perpetually when used as an adverb. ... Always is the correct form to use, unless you are quoting an archaic text.

What is word always?

Always is an adverb - Word Type.