Aerie means nest.
Air boat vs Inflatable boat
Inflatable boat—an air-filled rubber boat (for use in an emergency, etc.)
Anarchy vs Anarchism
Anarchy and anarchism overlap in their implications but are not synonyms because of differing denotations.
Aim at vs Aim for
Aim for something— = aim at something 2
Aerial vs Ariel
Aerial refers to a radio antenna or something else that reaches into the air.
Ahead of time vs Before time
Ahead of time—(usually showing approval) earlier than expected.
Analyze vs Resolve vs Dissect vs Break down
Analyze, resolve, dissect and break down all mean to divide a complex whole or unit into its component parts or constituent elements.
Adviser vs Advisor
Adviser is the preferred spelling, but either is acceptable.
Analogy vs Simile vs Metaphor
Analogy, simile and metaphor all designate a comparison between things essentially or generically different but strikingly alike in one or more pertinent aspects.
Advisedly vs Intentionally
Advisedly means deliberately or with careful consideration.
Ahead of one’s time vs Before one’s time
Ahead of one’s time—(of people, new ideas, etc.) too advanced to be accepted by one’s contemporaries.
Anachronism vs Solecism
Anachronism and solecism are occasionally used interchangeably to mean something that does not properly belong to the setting or background in which it is placed and that is incongruous with it.