What is the past tense of swell?

Simple Past: Swelled
Past Participle: Swelled/Swollen
Present Participle: Swelling

The system will learn more words with each user input. Every new word that you enter helps to expand its database :)

Main dictionary source: Webster's Revised Unabridged Dictionary (1913).
Brought to you by The Simplest PC & iPhone Tricks. Any errors please let me know.