thonder – Middle English noun declension

Noun: thonder

Sg.	thonder
Pl.	thondres

Genitive

Dative

Sample Sentences

And I ſai þat þe lomb hadde opened oon of þe ſeuene ſeelis. ⁊ I herde oon of þe foure beeſtis ſeiynge as a vois of þundur / come ⁊ ſe (And I saw that the lamb had opened one of the seven seals, and I heard one of the four creatures saying, like the sound of thunder, "Come and see!") [c. 1395, John Wycliffe, John Purvey [et al.], transl., Bible (Wycliffite Bible (later version), MS Lich 10.), published c. 1410, Apocalips 6:1, folio 119, recto, column 2; republished as Wycliffe's translation of the New Testament, Lichfield: Bill Endres, 2010:]

Nouns inflected like thonder

synder, laughter, stepfader, stepmoder, taper, udder, steer, splenter, olde fader, fornfader, fother, forfader, culter, halter, forme fader, thonder, winter,

Etymology

1. Inherited from Old English þunor, from Proto-West Germanic *þunr.
2. The varieties with -d- are from the oblique stem of þunor, þunr-, which experienced a sound change -nr- → -ndr-; this was leveled into all forms of the word (compare gandre). See: Old English Nouns 'þunor'.