allied to a nation—(of a nation) related to another nation or connected by common origin:
Appendix vs Addendum vs Supplement
Appendix, addendum and supplement designate additional matter subjoined to a book.
All washed out vs All washed up
I think the picture showed a guy in armor kneeling ... No way to tell for sure with colors all washed out.
Appendage vs Appurtenance vs Accessory vs Adjunct
Appendage, appurtenance, accessory and adjunct designate something regarded as additional and at the same time as subsidiary to another object.
All right vs Alright
All right must always be two words. Alright is considered a nonstandard word. Avoid its use.
All the way vs All the way live
All the way—(U.S. coll., of hamburgers, etc.) with all available extras, such as mustard, relish, etc.
All ready vs Already
All ready means totally prepared.
Appearance vs Look vs Aspect vs Semblance
Appearance, look, aspect and semblance denote the outward show presented by a person or thing.
Appear vs Loom vs Emerge
Appear, loom and emerge all mean to come out into view. In use, however, they are only rarely interchangeable.
All the time vs All the while vs All hours
All hours—very late or very early hours.
All over vs Allover
All over means finished or everywhere.
All of a sudden vs All of the sudden
All of a sudden is the correct phrase.