(Note that this list still lacks many important ships.)
(The HMS Pinafore was a fictional creation of Gilbert and Sullivan.)
... mineralocorticoid excess[?] Apraxia manual[?] Apraxia, Ideomotor[?] Apraxia, ocular motor, Cogan type[?] Apraxia Apudoma[?] Aqueductal stenosis, X linked[?] ...