The term 'to the extent that, with 'AS'' can be expressed in two different ways: Insofar (7 letters) and Insomuch (8 letters). Insofar is an adverb meaning 'to the extent or degree that' and is often used to introduce a comparison. Insomuch is an adverb meaning 'to such an extent or degree' and is used to emphasize the degree of something. Both words are used to indicate the extent to which something is true or applicable.