No, you have spelled letterhead correctly as one word.
The phrase is spelled as two words "a lot" (many, or often).two words. a lot.It should be spelled as two separate words - a lot.No, the correct spelling is "a lot". It is two separate words.
It's spelled with one word.
The answer to your question is homophone.Homophone is the definition to two words in the same spelling is homophones i might not have spelled it right but look it up or sound it out.Not to be mean :)
Words that are spelled differently but sound the same are called homophones.
ear and heart
It is spelled two thousand and twelve.
Two different words with the same letters, like vein and vane is called a homonym. Another homonym is formed by the words great and grate.
When two words are spelled differently but sound the same, they are homophones. Examples include "sea" and "see," "right" and "write," and "bare" and "bear."
"Two" and "too" are examples of words that sound the same but are spelled differently.
El Salvador is spelled as two words like this.
They are homographs.
It is spelled as two words, "of course".