Plural
The antonym for "digraph" is "monograph." While a digraph is a combination of two letters representing a single sound, a monograph is a scholarly piece of writing on a specific subject.
Suite. I realize that only has five letters.
Symbol is a synonym for seal. They mean an individual design stamped into a document to show that it has come from the person who claims to have issued it.
The last six letters in the alphabet are U, V, W, X, Y, and Z.
Six letters t. L an it ends with a l
Singular.
An Antonym is a word meaning the opposite, for example the antonym of 'up' is 'down'. So the Antonym of 'singular' is 'plural'
Individual One Singular
whisper is the antonym of shout
An antonym for silent is loud, the antonym for silently is loudly, or aloud.
singular, one person
The adjective usage of the word Mock is defined as: fake or artificial. The antonym that has four letters is: Real
Delighted
Cowardice
Nothing
The singular possessive form of letter is letter's. The plural of letter is letters. The plural possessive of letters is letters'
opaque