“Cornerstone abbr.”
The verified answer to the Newsday Crossword clue “Cornerstone abbr.”, with letter-by-letter analysis and the full puzzle context for the Sunday, November 16, 2025 puzzle.
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The Answer
The answer to “Cornerstone abbr.” is ESTD
Letter analysis: the 4-letter answer
Vowels, consonants, and crossword construction notesThe clue “Cornerstone abbr.” appeared in the Newsday Crossword on Sunday, November 16, 2025 as a across entry. The verified answer is ESTD — a 4-letter word that begins with E and ends with D.
This answer contains 1 vowel and 3 consonants. The Newsday Crossword is published daily by Newsday on Long Island and edited by Stan Newman, whose Saturday Stumper is widely considered one of the toughest mainstream crosswords in print.
Other clues with the answer ESTD
ESTD has been used as the answer for these Newsday Crossword cluesMore clues from the November 16, 2025 puzzle
Sunday Newsday CrosswordFrequently asked questions about “Cornerstone abbr.”
What is the answer to “Cornerstone abbr.” in the Newsday Crossword?
The verified answer is ESTD — a 4-letter word that appeared as a across entry on Sunday, November 16, 2025.
How many letters is the answer to “Cornerstone abbr.”?
The answer ESTD contains 4 letters.
Was “Cornerstone abbr.” an across or down clue?
This clue ran as a Across entry.
Is this site affiliated with Newsday?
No. This is an independent fan reference site — we are not affiliated with Newsday. The Newsday Crossword is a trademark of its respective owner. We solve and verify each Newsday Crossword puzzle manually before publishing the answer key.