1 syllable:
-lashed, ashed, bashed, cached, cashed, clashed, crashed, dashed, fashed, flashed, gashed, gnashed, hashed, lashed, mashed, pashed, plashed, rashed, rasht, sashed, slashed, smashed, splashed, stashed, thrashed, trashed, yasht

2 syllables:
abashed, memcached, moon-splashed, moustached, mustached, rehashed, uncashed, unlashed, wecrashed, whiplashed

3 syllables:
spatterdashed, unabashed

1 syllable:
aft, asked, bast, blast, cast, caste, craft, daft, draft, draught, fast, glassed, graft, haft, kraft, last, laughed, massed, mast, nast, passed, past, raft, shaft, staffed, taft, vast

2 syllables:
abaft, aghast, air shaft, amassed, at last, bank draft, bomb blast, butt shaft, contrast, dynast, engraft, fantast, go past, half-mast, harassed, hold fast, lambast, lambaste, leaf cast, life raft, miscast, outlast, recast, redraft, sand cast, sight draft, skin graft, stand fast, the last, time draft, topmast

3 syllables:
animate, canescent, affricate, adamant, palpitant, anapest, panelist, fractionate, laminate, malfeasant, aggregate, graduate, accumbent, aqueduct, abstinent, cantonment, battlefront, flatulent, animist, analyst, bafflement, adjutant, amulet, catapult, cabinet, classicist, aliment, battlement, halibut, annulment, adequate, accident, vacillant, flagellant, catalyst, ambulant, candlenut, abetment, crapulent, passionate, activist, management, advocate, calvinist, sacrament, allograft, at long last, autograft, balsa raft, banker's draft, cobbler's last, corneal graft, cuban bast, ectoblast, endoblast, entoblast, first and last, fore-topmast, foreign draft, homograft, hypoblast, jiggermast, jury mast, landing craft, lymphoblast, mesoblast, mizenmast, mizzenmast, mooring mast, needle cast, plasmablast, plaster cast, pleasure craft, rotor shaft, royal mast, sleeping draught, solo blast, thomas nast, unsurpassed, very fast, xenograft

4 syllables:
compassionate, protagonist, philanthropist, abandonment, nationalist, inanimate, intransigent, postgraduate, line management, inadequate, syllabicate, entanglement, evacuant, extravagant, anatomist, inhabitant, permanganate, naturalist, antagonist, contaminant, judge advocate, desalinate, ameloblast, ecdysiast, erythroblast, heterograft, megaloblast, mosquito craft, myeloblast, rotating shaft, transmission shaft

5 syllables:
psychoanalyst, devil's advocate, filing cabinet, televangelist, undergraduate, dead hand of the past, william howard taft

6 syllables:
cerebral aqueduct