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"besides" is also used as a crossword clue. If that's what you saw, the answer is often also (4 letters).
Definitions
making an additional point; anyway
Word origin
From Middle English bisides (also bisiden), extension of biside, equivalent to beside + -s (adverbial suffix).
Used in a sentence
“Besides José, I'll invite Jay and Renée, the three of them.”
“I don't want to go anywhere besides India.”
“I want to go with someone besides my father.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“In addition”7 letters
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