By analogy teach : taught :: preach : X, where X = praught. Apparently a modern jocular construction but taken seriously by some. In print, generally appearing as a nonce in a much-quoted doggerel verse, attributed by some to Phoebe Cary in 1854, appearing in Punchinello 1.27 in 1870, there attributed to Amos Keeter. See quot. 1870.
- (nonstandard) simple past tense and past participle of
- 1870 Amos Keeter, “The Lovers,” in Punchinello Vol. 1 No. 27. 
- SALLY SALTER, she was a young teacher, who taught,
- And her friend, CHARLEY CHURCH, was a preacher, who praught;
- Though his enemies called him a screecher, who scraught.
- 1996-05-22 The Anglican Mailing List 
- [...] I don't remember the earnest soul who praught it [...]
- 2000-01-30 Larne Parish Homily Archive 
- They praught in the synagogue every Sabbath, week in, week out.
- 2000-11-18 CHRIST AND CUPID: a sermon praught by Richard Major in the church of St Mark, Florence. [subtitle] 
- 2002-08-16 The Church of Ireland Gazette Online 
- [...] including, by the way, York Minster where in 1999 he praught at the consecration of a new area bishop.
- 2004-05 Beautful Feet International Ministries 
- So, I ‘praught’ at this group (median age of late 60’s-70’s J) just like they were teenagers [...]
- 2004-06-01 Ian McLeod's Confusticated World 
- Yesterday our new preacher praught a very good lesson, in which he stated [...]
- 2005-09-19 Xander: And the Army is disciplined... 
- I went to Balga Corps in the morning, then praught at a youth meeting at Morley Corps in the evening.
- 1870 Amos Keeter, “The Lovers,” in Punchinello Vol. 1 No. 27.