How many syllables in cornerstone?

There are 3 syllables in the word cornerstone.

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Divide cornerstone into syllables:

cor · ner · stone

How to pronounce cornerstone:

Definition of cornerstone:

cornerstone (noun):: an indispensable part or basis; such a stone laid at a formal ceremony; a stone forming a part of a corner or angle in a wall; the fundamental assumptions from which something is begun or developed or calculated or explained.

Synonyms for cornerstone:

assumption

base

basis

bedrock

core

explanation

foundation

framework

fundament

ground

groundwork

justification

key

keystone

meat and potatoes

premise

root

starting point

support

supposal

supposition

theory

underpinning

Antonyms for cornerstone:

addendum

addition

afterthought

extra

postscript

sidenote

Other 3-syllable words like cornerstone

Here are some other common words that have 3 syllables, like cornerstone does.

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