Pentacocous or Pentacoccous: How To spell?
The word Pentacocous is misspelled against Pentacoccous, an adjective meaning "Composed of five united carpels with one seed in each, as certain fruits."
Pentacoccous has double "cc" is mispronounced as "c"Remember double 'CC' in between the strings Pentaco & ous which should not be misspelled with single 'C'
Wrong Spelling:  Pentaco-c-ous  Correct Spelling:  Pentaco-cc-ous 
Check more misspelled words of Pentacoccous to spell it correct.