Writing tips from the EC editors
All / Al
All together: Adverb. Used in reference to a group whose members acted or were acted upon collectively, and when "all" and "together" could be separated by other words; all at the same time.
Altogether: Adverb. With all included or counted; entirely, completely, utterly; on the whole.
All ready: Adjective. Ready in every way.
Already: Adjective. Sooner than expected; previously, prior to a specified or implied time.
All right: Adjective: Satisfactory or in satisfactory condition; in good health. Adverb: In a satifactory way; yes; without a doubt.
Alright: Adverb. Nonstandard: There is no such word as "alright" in correct English. At most and in appropriate situations, "alright" or "alrighty" might be used in slangy dialogue.