arteriosclerosis, atherosclerosis; bronchocele[Med], canker rash, cardialgia[Med], carditis[Med], endocarditis[Med]; cholera, asphyxia; chlorosis, chorea, cynanche[obs3], dartre[Fr]; enanthem[obs3], enanthema[obs3]; erysipelas; exanthem[obs3], exanthema; gallstone, goiter, gonorrhea, green sickness; grip, grippe, influenza, flu; hay fever, heartburn, heaves, rupture, hernia, hemorrhoids, piles, herpes, itch, king’s evil, lockjaw; measles, mumps[obs3], polio; necrosis, pertussis, phthisis[obs3], pneumonia, psora[obs3], pyaemia[obs3], pyrosis[Med], quinsy, rachitis[obs3], ringworm, rubeola, St. Vitus’s dance, scabies, scarlatina, scarlet fever, scrofula, seasickness, struma[obs3], syntexis[obs3], tetanus, tetter[obs3], tonsillitis, tonsilitis[obs3], tracheocele[Med], trachoma, trismus[Med], varicella[Med], varicosis[Med], variola[Med], water qualm, whooping cough; yellow fever, yellow jack.
     fatal disease &c. (hopeless) 859; dangerous illness, galloping
consumption, churchyard cough; general breaking up, break up of the system.
     [Disease of mind] idiocy &c. 499; insanity &c. 503.
     martyr to disease; cripple; “the halt the lame and the blind”;
valetudinary[obs3], valetudinarian; invalid, patient, case; sickroom, sick-chamber.
     [Science of disease] pathology, etiology, nosology[obs3].
     [Veterinary] anthrax, bighead; blackleg, blackquarter[obs3]; cattle
plague, glanders[obs3], mange, scrapie, milk sickness; heartworm, feline leukemia, roundworms; quarter-evil, quarter-ill; rinderpest.
     [disease-causing agents] virus, bacterium, bacteria.
     [types of viruses] DNA virus; RNA virus.
     [RNA viruses] rhinovirus; rhabdovirus; picornavirus.
     [DNA viruses] herpesvirus; cytomegalovirus, CMV; human
immunodefficiency virus, HIV. 
     V. be ill &c. adj.; ail, suffer, labor under, be affected with,
complain of, have; droop, flag, languish, halt; sicken, peak, pine; gasp.
     keep one’s bed; feign sickness &c. (falsehood) 544.
     lay by, lay up; take a disease, catch a disease &c. n., catch an
infection; break out. 
     Adj. diseased; ailing &c. v.; ill, ill of; taken ill, seized with;
indisposed, unwell, sick, squeamish, poorly, seedy; affected with illness, afflicted with illness; laid up, confined, bedridden, invalided, in hospital, on the sick list; out of health, out of sorts; under the weather [U.  S.]; valetudinary[obs3].
     unsound, unhealthy; sickly, morbid, morbose[obs3], healthless[obs3],
infirm, chlorotic[Med], unbraced[obs3]. drooping, flagging, lame, crippled, halting.
     morbid, tainted, vitiated, peccant, contaminated, poisoned,
tabid[obs3], mangy, leprous, cankered; rotten, rotten to the core, rotten at the core; withered, palsied, paralytic; dyspeptic; luetic[obs3], pneumonic, pulmonic[Med], phthisic[obs3], rachitic; syntectic[obs3], syntectical[obs3]; tabetic[obs3], varicose.
     touched in the wind, broken-winded, spavined, gasping; hors de combat
&c. (useless) 645[Fr].
     weakly, weakened &c. (weak) 160; decrepit; decayed &c. (deteriorated)
659; incurable &c. (hopeless) 859; in declining health; cranky; in a bad way, in danger, prostrate; moribund &c. (death) 360.
     morbific &c. 657[obs3]; epidemic, endemic; zymotic[obs3].