Tulblock or Tailblock: How To spell?

The word Tulblock is misspelled against Tailblock, a noun meaning "A block with a tail. See Tail, 9."

Word contains consecutive vowels 'AI' in between alphabets t & lblock is misspelled as 'U'
Wrong Spelling: t-u-lblock
Correct Spelling: t-ai-lblock
Check more misspelled words of Tailblock to spell it correct.