Aids
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the virus condition, was the most memorable acronym of the 20th century based on acquired immune deficiency syndrome. The spelling as a word with a capital initial has superseded the older form AIDS, a preference intensified by the occurrence of several combinations such as Aids-related (complex), Aids-free, Aids vaccine, Aids awareness, and pre-Aids.
| Achilles' heel, Achilles' tendon, -asy, -aholic | |
| America, American English, American Indian |
