Mater or Matter: How To spell?
The word Mater is misspelled against Matter, a noun meaning "Affair worthy of account; thing of consequence; importance; significance; moment; -- chiefly in the phrases what matter ? no matter, and the like."
Matter has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings ma & er which should not be misspelled with single 'T'
Wrong Spelling:  ma-t-er  Correct Spelling:  ma-tt-er 
Explore spell check of Matter to spell without errors.