There are 26 words that end with 'ull'.
bull | cull | dull |
gull | hull | lull |
mull | full | null |
pull | ahull | scull |
skull | stull | trull |
seagull | outpull | topfull |
bellpull | brimfull | monohull |
numskull | overfull | chockfull |
multihull | numbskull | |
Note: These 26 words that end with 'ull' are found from the USA & Canada version of the tournament Scrabble word list.