2 syllables:
gradate, grade eight, j date, may date, play date, spray date, trade date

5 syllables:
metavanadate

2 syllables:
placate, vacate

3 syllables:
abdicate, cantillate, animate, activate, candidate, patinate, allocate, navigate, capsulate, catenate, validate, laminate, vaccinate, aggregate, lapidate, antiquate, granulate, graduate, castigate, agitate, strangulate, abrogate, acclimate, masticate, antedate, palpitate, adulate, rabbinate, amputate, tabulate, magistrate, vacillate, astrogate, abnegate, manganate, calibrate, approbate, vacuolate, capitate, staminate, acaudate, maculate, adequate, anapaest, annulate, annotate, calculate, salivate, cancellate, paginate, flagellate, aggravate, caliphate, fabricate, sphacelate, acetate, fascinate, advocate

4 syllables:
eradicate, encapsulate, reactivate, invaginate, coagulate, triacetate, dilapidate, congratulate, zooflagellate, exanimate, inadequate, extrapolate, confabulate, emancipate, concatenate, palatinate, reanimate, perambulate, assassinate, somnambulate, decapitate, triangulate, procrastinate, amalgamate, miscalculate, lead acetate, capacitate, recalculate, campanulate, contaminate, algebraist

5 syllables:
dinoflagellate, decontaminate, ethyl acetate

6 syllables:
oxaloacetate, cellulose acetate

7 syllables:
polyvinyl acetate