The word Sul is misspelled against Sull, a noun meaning "A plow."
-->
Sull has double 'll' in the end mispronounced as 'l'
Remember double 'LL' appears in the end of this word which should not be misspelled with single 'L'
Wrong Spelling:  su-l 
Correct Spelling:  su-ll 
Check more misspelled words of Sull to spell it correct.