Pulus or Pullus: How To spell?
The word Pulus is misspelled against Pullus, a noun meaning "A chick; a young bird in the downy stage."
Pullus has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings pu & us which should not be misspelled with single 'L'
Wrong Spelling:  pu-l-us  Correct Spelling:  pu-ll-us 
Check more misspelled words of Pullus to spell it correct.