The word Nuble is misspelled against Nubble, a verb meaning "To beat or bruise with the fist."
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Nubble has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Nu & le which should not be misspelled with single 'B'
Wrong Spelling:  Nu-b-le 
Correct Spelling:  Nu-bb-le 
Check more misspelled words of Nubble to spell it correct.