Underfed or Underfeed: How To spell?
The word Underfed is misspelled against Underfeed, a verb meaning "To feed with too little food; to supply with an insufficient quantity of food."
Underfeed has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Underf & d which should not be misspelled with single 'E'
Wrong Spelling:  Underf-e-d  Correct Spelling:  Underf-ee-d 
Explore spell check of Underfeed to spell without errors.