Hamer or Hammer: How To spell?
The word Hamer is misspelled against Hammer, a noun meaning "Also, a person of thing that smites or shatters; as, St. Augustine was the hammer of heresies."
Hammer has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings ha & er which should not be misspelled with single 'M'
Wrong Spelling:  ha-m-er  Correct Spelling:  ha-mm-er 
Explore spell check of Hammer to spell without errors.