Most consonants can be doubled, as when forming past tenses (revved, occurred).
However, except for compound words, the consonants H, J, Q, W, and Y. are not doubled.
(withhold is an example of a compound double H)
In English, consonants like 'k,' 'j,' 'v,' 'w,' 'x,' 'y,' 'z' cannot be doubled because they do not have the ability to be pronounced twice in succession within the same syllable. Doubling these consonants would change the pronunciation of the word or make them unpronounceable in English.
Some verbs use doubled consonants when spelling their -ED or -ING forms. Example : beg-begged, compel-compelled-compelling In some cases, both spellings, doubled or non-doubled, may be considered correct. (For one view on the subject, see the related link.)
The -ing form is "reading" (consonants are only doubled for single-vowel verbs, and US spelling has dropped this for some of those words).
The consonants that never make doubles in English are the letters: "j," "q," "v," and "z." This is because these letters are not typically found in repeated sequences within English words. Additionally, their sounds do not lend themselves to being easily doubled in pronunciation.
8 total consonants 5 different consonants
After 'a' in the word 'path', there are two consonants. These consonants are 't' and 'h'.
23 consonants (all the English consonants plus Ñ and NG)
Consonants
division of consonants
There are five vowels, not five consonants.
Sufficient has 6 consonants.
Consonants in "after" are f, t, and r. The vowel is a.