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10-Letter Words Starting with DEC

For puzzles requiring DEC prefixes, here are all 10-letter word options. Popular examples include DECADENCES, DECADENTLY, DECAHEDRON, plus DECALITERS, DECALOGUES, DECAMETERS and many more. Each word links to its dictionary entry for deeper understanding.

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74 words

Word	Length	Syllables
decadences	10	4
decadently	10	4
decahedron	10	4
decaliters	10	4
decalogues	10	4
decameters	10	4
decametric	10	4
decampment	10	3
decapitate	10	4
decapodans	10	4
decapodous	10	4
decathlete	10	3
decathlons	10	3
deceivable	10	3
decelerate	10	4
decemviral	10	4
decenaries	10	4
decennials	10	3
decenniums	10	3
decentered	10	4
decentring	10	3
deceptions	10	3
deciliters	10	4
decillions	10	3
decimalize	10	4
decimating	10	4
decimation	10	4
decimeters	10	4
deciphered	10	4
decipherer	10	4
decisional	10	4
decisioned	10	4
decisively	10	5
deckhouses	10	3
declaimers	10	3
declaiming	10	3
declarable	10	3
declarants	10	3
declassify	10	4
declassing	10	3
declension	10	3
declinable	10	3
decoctions	10	3
decollated	10	4
decollates	10	4
decolletes	10	4
decolonize	10	4
decoloring	10	4
decolorize	10	4
decoloured	10	4
decomposed	10	4
decomposer	10	4
decomposes	10	4
decompound	10	3
decompress	10	3
decongests	10	3
decontrols	10	3
decorating	10	4
decoration	10	4
decorative	10	4
decorators	10	4
decorously	10	4
decoupaged	10	4
decoupages	10	4
decoupling	10	3
decreasing	10	3
decrements	10	3
decrepitly	10	4
decrescent	10	3
decrowning	10	3
decrypting	10	3
decryption	10	3
decussated	10	4
decussates	10	4

FAQs

Are DEC-starting words common?
DEC is a frequent start; probing vowel swaps after DEC quickly narrows options.

Is this list good for crosswords?
Yes—filter by length mentally and scan definitions when available.