Trilineyr or Trilinear: How To spell?
The word Trilineyr is misspelled against Trilinear, an adjective meaning "pertaining to, included by, three lines; as, trilinear codinates."
Trilinear has vowels 'ea' together mispronounced as 'ey'Word contains consecutive vowels 'EA' in between alphabets trilin & r is misspelled as 'EY'
Wrong Spelling:  trilin-ey-r  Correct Spelling:  trilin-ea-r 
Find more wrongly spelled words of Trilinear to spell it well.