Buttonwed or Buttonweed: How To spell?
The word Buttonwed is misspelled against Buttonweed, a noun meaning "The name of several plants of the genera Spermacoce and Diodia, of the Madder family."
Buttonweed has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Buttonw & d which should not be misspelled with single 'E'
Wrong Spelling:  Buttonw-e-d  Correct Spelling:  Buttonw-ee-d 
Check more misspelled words of Buttonweed to spell it correct.