Etymology
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Words related to -osis

anchylosis (n.)

"stiffening of joints caused by consolidation or fusion of two or more bones into one," 1713, from Latinized form of Greek ankylos "crooked" (see angle (n.)) + -osis. Related: Anchylotic.

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asbestosis (n.)
"lung disease caused by inhalation of asbestos," 1927; see asbestos + -osis.
athetosis (n.)

"condition in which the extremities perform slow, involuntary motions" (a form of childhood cerebral palsy), 1871, with -osis + Greek athetos "not fixed, without position or place, set aside." Coined by U.S. nerve specialist William Alexander Hammond.

brucellosis (n.)
1930, Modern Latin, from Brucella, name of the bacteria that causes it, which is named for Scottish physician Sir David Bruce (1855-1931), who in 1887 discovered the bacteria, + -osis.
cirrhosis (n.)

"chronic inflammation of connective tissue," originally and especially of the liver, 1827, coined in Modern Latin by French physician René-Théophile-Hyacinthe Laennec with -osis and Greek kirros "red-yellow, yellow-brown, tawny," which is of unknown origin. The form is erroneous, presuming Greek *kirrhos. So called for the orange-yellow appearance of the diseased liver. Related: Cirrhotic.

coccidiosis (n.)

1892, disease of birds and mammals caused by coccidia, the name of a family of parasitic insects, the scale-insect; their name is Modern Latin, from Greek *kokkidion, diminutive of kokkis, diminutive of kokkos "berry" (see cocco-). Also see -osis.

cyanosis (n.)

"blue disease," the "blue jaundice" of the ancients, 1820, Medical Latin, from Greek kyanosis, from kyanos "dark blue color" (see cyan) + -osis. Also cyanopathy. It is caused by imperfect circulation and oxygenation of the blood.

fibrosis (n.)
"fibrous growth or development in an organ," 1871, a Modern Latin hybrid, from Latin fibra "a fiber, filament" (see fiber) + Greek suffix -osis.
halitosis (n.)
"bad breath," 1874, coined in Modern Latin from Latin halitus "breath, exhalation, steam, vapor" (which is related to halare "to breathe, emit vapor") + Greek-based noun suffix -osis.
hypnosis (n.)

1850, "the coming on of sleep," coined (as an alternative to hypnotism) from hypno- "sleep" + -osis "condition." But the distinction was not sustained, and by 1876 hypnosis was being used of artificially induced conditions.