Sumer or Summer: How To spell?
The word Sumer is misspelled against Summer, a noun meaning "A large stone or beam placed horizontally on columns, piers, posts, or the like, serving for various uses. Specifically: (a) The lintel of a door or window. (b) The commencement of a cross vault. (c) A central floor timber, as a girder, or a piece reaching from a wall to a girder. Called also summertree."
Summer has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings su & er which should not be misspelled with single 'M'
Wrong Spelling:  su-m-er  Correct Spelling:  su-mm-er 
Check more misspelled words of Summer to spell it correct.