geminate

nouns

a doubled or long consonant
"the `n' in `thinness' is a geminate"
geminate
is a type of (narrower)
a speech sound that is not a vowel
consonant

verbs

form by reduplication
"The consonant reduplicates after a short vowel"; "The morpheme can be reduplicated to emphasize the meaning of the word"
geminate, reduplicate
occur in pairs
geminate, pair
arrange in pairs
"Pair these numbers"
geminate, pair
arrange or combine in pairs
"The consonants are geminated in these words"
geminate
is derived from
gemination
is a type of (narrower)
increase twofold
"The population doubled within 50 years"
double, duplicate