2 syllables:
-hearted, carted, charted, darted, farted, hearted, parted, smarted, started, tarted

3 syllables:
big-hearted, bighearted, black-hearted, blackhearted, bogarted, cathartid, cold-hearted, coldhearted, comparted, cowhearted, dead-hearted, deadhearted, departed, disparted, dog-hearted, downhearted, faint-hearted, fainthearted, false-hearted, flint-hearted, free-hearted, freehearted, full-hearted, get started, good-hearted, goodhearted, great-hearted, greathearted, half-hearted, halfhearted, hard-hearted, hardhearted, hen-hearted, high-hearted, imparted, jump-started, kick-started, kind-hearted, kindhearted, large-hearted, light-hearted, lighthearted, outsmarted, plain-hearted, proud-hearted, ramparted, restarted, right-hearted, soft-hearted, softhearted, stiff-hearted, stone-hearted, stout-hearted, stouthearted, three-parted, triparted, true-hearted, truehearted, two-parted, unarted, uncharted, unparted, warm-hearted, warmhearted, weak-hearted, weakhearted, wholehearted, wise-hearted

4 syllables:
broken-hearted, brokenhearted, chicken-hearted, chickenhearted, double-hearted, doublehearted, earthen-hearted, gentle-hearted, hare-hearted, heavy-hearted, heavyhearted, hollow-hearted, iron-hearted, ironhearted, largehearted, lion-hearted, lionhearted, open-hearted, openhearted, pigeon-hearted, public-hearted, shallow-hearted, simple-hearted, single-hearted, singlehearted, stony-hearted, stonyhearted, tender-hearted, tenderhearted

2 syllables:
boarded, courted, guarded, sorted, thwarted, worded

3 syllables:
aborted, alerted, assorted, awarded, bombarded, concerted, converted, deserted, discarded, distorted, diverted, escorted, ill-sorted, imported, inserted, inverted, lacertid, perverted, purported, recorded, regarded, retarded, rewarded, sharp-worded, supported, unguarded, unsorted

4 syllables:
disregarded, extraverted, state-supported, tape-recorded, unconverted, unrecorded, unreported, unrewarded, unsupported, weasel-worded

6 syllables:
mentally retarded