The correct spelling is 'theory'.
That is the correct spelling of the word "basing" to mean establishing a base or reference point for a statement, theory, or experiment.
Spell check your answer
if it is a story you need to spell, if there is a theory then its the cell
The determiner is spelled these (here, as opposed to those over there).The similar word is thesis, an academic paper on a given subject or theory.
Theory.
the hardest word to spell is: perpondickulor
The Spanish word for "spell" (as in letters in a word) is "deletrear" Which translated lyerally means to separate the letters. The word for "spell" (as in time) is "temporada". The word for "spell" (as in hex) is "encanto".
The letters spell the word geometrical.
The letters spell the word "freelance."
The letters spell the word casino.
What word does these notes on the staff spell?
These letters unscramble to spell the word herbal.