Green’s Dictionary of Slang

-ology n.

an abstract, a theory, an ‘-ism’.

[UK]E. Nares Thinks-I-to-myself (5th edn) I 68: She had attended a world of fashionable lectures, and was therefore supposed to understand Chemistry, Geology, Philology, and a hundred other ologies .
[US]T. Haliburton Sam Slick in England II 8: He knows all about minerology [...] and astrology, and every thing a’most, except what he ought to know, and that is dollar-ology.
[UK]C. Kingsley Two Years Ago I 117: All which is required to cast out the devil is a smattering of the ’ologies.
[UK]Wild Boys of London I 263/1: The servants came. They were two of the most gorgeous. Their plushes and calves were the perfection of flunkeology.
[US]M.D. Landon Eli Perkins 53: How they can show off their Biblical knowledge and bug-and-spiderology!
[US]W. Norr Stories of Chinatown 63: Yer beefstew’s a little on the toughology.
[US]Rock Is. Argus (IL) 19 Feb. 5/4: Two young men, one of whom was a little worse for bozology.
[US]J. Hawthorne Confessions of Convict 19: He had sojourned for four years for ‘glimming at bank-businesss,’ as the offence is designated by crookology.
[Aus]Bulletin (Sydney) 29 Nov. 31/2: He can’t get his cussology goin’, an’ makes an awful jumble of it.
[Aus]Bulletin (Sydney) 3 Dec. 16/4: Talk drifted through the whole gamut of bush skiteology.
[US]B.T. Harvey ‘Addenda -The Northwest’ in DN IV:ii 162: bugology, n. Bacteriology.
[UK]‘J.H. Ross’ Mint (1955) 121: Give the ignorant shit-bag a fucking great gob of your toffology.
[UK]E. Murphy Black Candle 320: The failure of the psychologist arises from his blind faith in his ’ology.
[UK]B. Kiely Honey Seems Bitter 97: ‘Ballsology,’ Butler said. ‘The point is which horse.’.
[US]C. Cooper Jr Farm (1968) 119: Freakology is common in the family of bureaucracy.
[Ire]R. Doyle Van (1998) 396: The best thing he’d ever done was give up on that Man in the Iron Mask fuckology. [Ibid.] 630: He was licking up to Jimmy Sr now because the No Hard Feelings wankology had failed.
[US]Rebennack & Rummel Under A Hoodoo Moon 2: The temples of tricknology that had kept the New Orleans music scene alive. [...] This is a testament to New Orleans funk—to funksterators, tricknologists, mu-jicians.
[UK]J.J. Connolly Layer Cake 36: Psychology, sociology, theology and every fuckin other sort of fuckology.
[UK]Guardian Rev. 12 May 7: Jack Nicholson, a manic spliffologist in his private life.
W. Fiennes Snow Geese (2002) 167: Majored in bum-ology and tramp-ology.
[Ire]O’Byrne Files: Dublin Sl. Dict. [Internet] Arseology Ridiculous and needless carry on.