Common words that rhyme with heartfelt include felt, gelt, guilt, bolt, built, salt, thunderbolt, halt, hilt and vault.
She felt sad after hearing the bad news.
She wore a narrow belt today.
She studied hard; as a result, succeeded.
He was filled with abject guilt.
He took the blame for the mistake, even though it wasn’t entirely his fault.
The lightning bolt formed a zigzag shape.