Test yourself using the Listen and Spell test.
The /f l/ sound at the end of a word is usually spelled fle - unless the /f l/ sound is a suffix, as in handful.
"Spellzone is incredibly easy to access and caters for a wide range of abilities, which means you can use it throughout the school at a range of levels, making it fantastic value for money as a learning resource."
Anne Shisler, SENCO, City of London School for Girls