Is 'spaken' the past participle of 'speak' in Middle English?

Here are the forms listed in the Oxford English Dictionary. speak, v. 4. Past participle α. OE gesprecen, gespecen, ME i-specken, i-speken, i-spæ(c)ken; OE sprecen, ME sprecon; ME speken, 16 speaken, 15 spaken. β. ME i-speke, y-speke, ME speke, ME spek. γ. read more

The Middle English Dictionary lists spēken as the equivalent of “to speak”—although of course there was no standardized spelling at the time, and a lot of variants are listed. The Dictionary lists spēke / spēken, spōk / spōke / spōken / spōkene, spōkun, and spāk / spāke as variants of the past participle. read more