A lot, alot, and allot only differ by a few spaces or letters. However, all of the terms function differently.
a lot (adverb)
A lot - a large number or amount; a great deal.
Example of using it in a sentence "there are a lot of actors in the cast"
Synonyms: A large amount, a fair amount, a good/ great deal, a deal, a great quantity, an abundance, a wealth a profusion
It can also mean a great deal; much.
Example of using it in a sentence “he played tennis a lot last year"
Synonyms: a great deal, a good deal, to a great extent
Alot is a common misspelling of a lot. A lot should always be spelled as two words.
Correct Shelley reads a lot of books during her morning commute.
Incorrect Chopped parsley looks alot like chopped cilantro.
What Does Allot Mean?
To allot (verb) means to apportion by shares or to set aside for a special purpose. How do you use this verb?
The settlers were alloted one acre of farmland.
The employer allots one hour for lunch.