Decade
Decathlon
Decimal
Decatron
Decahedron
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Dec- or Deci-
dec-(i think)
December starts with "dec" because it was originally the tenth month. (November was ninth, October was eighth, and September was seventh.)
A prefix appears at the beginning of root words, adding meaning or altering the word's original meaning. A suffix appears at the end of root words, also adding meaning or changing the word's grammatical function.
Words beginning with 'dec' are:decadedecalDecemberdecidedecibeldecimaldecimatedeclaredecodedecreasedecrepitdecry
decadent december decor decorator decolletage
You are a susidiot
Words starting with pre - (prefix):precursorprejudgepreludepremedpremixprenatalprenuptialpresortpresumepreteenWords beginning with pre, (not a prefix):preachpreenpresspressure
Yes, spec is a prefix. See the related question for a list of words beginning with this prefix.
No, "arti" is not a prefix. It is not commonly used at the beginning of words to change their meaning.
Pentmymom
December, decoy
dec...
contraband contradict
The prefix "dec-" in English words is derived from the Latin word "decem," which means "ten." It is commonly used to indicate a factor of ten or a tenth part of something. For example, in words like "decade" (a period of ten years) or "decimal" (a number system based on powers of ten).
The prefix "dec" means ten. For example, the word "decagon" refers to a ten-sided polygon.