The word Upent is misspelled against Uppent, an adjective meaning "A Pent up; confined."
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Uppent has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings u & ent which should not be misspelled with single 'P'
Wrong Spelling:  u-p-ent 
Correct Spelling:  u-pp-ent 
Explore spell check of Uppent to spell without errors.