Updated June 2026
A plant hormone that promotes cell elongation and growth.
“Auxin causes shoots to bend toward light sources.”
aux·in
"Auxin" uses 5 different letters, which makes it efficient for eliminating options. Its 3 vowels help pin down vowel positions early. Watch the less-common letter X.
"Auxin" is worth 12 points before board bonuses. It carries the high-value tile X — land it on a premium square for a big swing.
Change a single letter of “auxin” to make these 5-letter words — useful for Wordle and crossword clues.
Look up auxin in an authoritative dictionary for full definitions, pronunciation, and etymology.

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