Annex, extension, wing and ell designate an addition to a main (and, often, the original) building.
All but vs Anything but
All but—almost; nearly.
All at once vs At once
All at once—suddenly and abruptly.
Afflict vs Inflict
Afflict means to cause suffering for someone or something.
Animality vs Animalism
Animality and animalism are not always clearly distinguished when they are used to denote animal nature, character, or springs of action in a man or in men.
Difference between All along and All along the line
All along—all the time. Her employer said he had suspected the girl of pilfering all along. All along the line—at every point in the course of an activity. These newer family magazines are making the older ones fight for existence all along the line.
Afflatus vs Flatus
Afflatus refers to divine inspiration, and flatus refers to gas generated by the intestine.
Animadversion vs Stricture vs Aspersion vs Reflection
Animadversion, stricture, aspersion and reflection all denote a remark or statement that is an adverse criticism.
Affinity vs Eternity vs Infinity
Affinity means a close relationship or connection.
Alive to vs Alive with
Alive to something—aware of something; conscious of something.
Angry vs Irate vs Indignant vs Wrathful vs Wroth vs Acrimonious vs Mad
Angry, irate, indignant, wrathful, wroth, acrimonious and mad all mean feeling or showing strong displeasure or bad temper.
Affidavid vs Affidavit
Affidavit is the correct word.