You may be thinking of a double consonant. A consonant is a letter of the alphabet that is not a vowel. A double consonant is when a word that has two of the same consonant together in the word, such as little or happy, or even Mississippi.
A word is not a double consonant, a word can have a double consonant.discussion, middle, pollution - have double consonants.
Word that has double c double s and double l: successfully.
A word with a double Y: sayyid.
the only word with double h in it is sex
The word better contains a double consonant.
Coffee is a word. It contains double e and double f. Address contains two double letters.
double tooth
One double-letter word for 'closing' is 'shutting'.
The word "mission" has a double "s" because it follows the spelling pattern of many words derived from Latin that end in "-sion." This spelling rule helps maintain consistency in the English language.
The word double has two syllables. Dou-ble.
a double-entendre
The double word score square in Scrabble is pink.