The word Coliery is misspelled against Colliery, a noun meaning "The coal trade."
-->
Colliery has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings co & iery which should not be misspelled with single 'L'
Wrong Spelling:  co-l-iery 
Correct Spelling:  co-ll-iery 
Find more incorrect spellings of Colliery to spell right way.