"E" is not a word. E is a letter, and a letter cannot have a root, suffix, prefix, etc.
The suffix of "comrade" is "-e."
The suffix of interfere is -e.
The suffix of "urge" is "-e".
The suffix of "misspoke" is -e.
The suffix of "BRUTE" is "-e".
The suffix of "woe" is "-e."
E-D is the suffix
The suffix of "strange" is "-e".
The suffix of the word "grade" is "-e."
add the suffix
take away the e then add the suffix.
When adding the suffix -ing to the word "glide," drop the final silent "e" before adding the suffix. This is because the silent "e" is typically dropped when adding a vowel suffix to a word that ends in "e."