lownumba, if you want some help rhyming "Fred", these come readily to mind (let me know if you need more):
ahead, airhead, beachhead, bed, bedspread, bedstead, behead, bighead, billhead, biped, blackhead, bled, blockhead, blood-red, bloodshed, bobsled, bonehead, bread, bred, bridgehead, bulkhead, bullhead, childbed, coed, cornbread, cowshed, crossbred, daybed, dead, deadhead, deathbed, delead, dog-sled, dread, drumhead, dumbhead, egghead, embed, farmstead, fathead, fed, flatbed, flathead, fled, forehead, foresaid, fred, gainsaid, godhead, half-bred, hardhead, head, highbred, hogshead, homebred, homestead, hophead, hotbed, hothead, imbed, impled, inbred, instead, lead, led, lunkhead, masthead, meathead, misled, misread, moped, nonsked, outspread, packthread, ped, pinhead, pled, pothead, premed, proofread, purebred, railhead, read, red, redd, redhead, reread, retread, roadbed, roadstead, said, seabed, seedbed, shed, shewbread, shortbread, shred, sickbed, skinhead, sled, snowshed, sorehead, spearhead, sped, spread, stead, subhead, sweetbread, swellhead, thickhead, thread, toolshed, towhead, tread, unbred, unfed, unsaid, unshed, unwed, warhead, wed, well-read, wellhead, whitehead, widespread, wingspread, woodshed, zed