Or enter known letters “Mus?c” (? for unknown)

“Rudimentary principles”

Here is the verified answer to the Wall Street Journal Crossword clue “Rudimentary principles”, last seen on October 6, 2026.

Answer hidden — reveal below
A??S

A 4-letter down entry from the Tuesday puzzle

The Answer
ABCS

The answer to “Rudimentary principles” is ABCS

Letters4
DirectionDown
PublishedOct 6, 2026

Letter analysis

The clue “Rudimentary principles” appeared in the Wall Street Journal Crossword on Tuesday, October 6, 2026 as a down entry. The verified answer is ABCS — a 4-letter word that begins with A and ends with S.

This answer contains 1 vowel and 3 consonants. Click through any related clue below to keep solving, or open the full answer key for the day from the link above.

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Frequently Asked Questions

What is the answer to “Rudimentary principles”?

The answer to the Wall Street Journal Crossword clue “Rudimentary principles” is ABCS — a 4-letter down entry from the October 6, 2026 puzzle.

How many letters is the answer?

ABCS has 4 letters — 1 vowel and 3 consonants.

Are these answers official?

WSJCrosswordAnswers.org is an independent reference site, not affiliated with the Wall Street Journal. We solve and verify each puzzle by hand before publishing.