| TRIGRAPH | Group of three letters representing a single sound, as in the igh of light (8) |
| DIGRAM | Two successive letters representing a single sound |
| EIGHTEEN | The "igh point associated with even number (8) |
| DIGRAPH | Combination of two letters representing a single speech sound, as in oh and ng (7) |
| GRAPHEME | Group of letters representing one sound in a word, eg "ght" in "light" (8) |
| MONOTONE | Single sound (8) |
| REASONED | Study disrupted by small, single sound |
| INITIALS | Letters representing your name: your - |
| RING | In dendrochronology, a part of the cross-section of a tree trunk representing a single year's growth; or, an identity tag placed around a bird's leg (4) |
| SYMBOL | An emblem or ideogram, such as a musical note, pictorial icon on a map key/legend or a letter representing a chemical element (6) |
| CONSONANT | Any of the 21 speech sounds in the English language, other than vowels, and the letters representing |
| TILDE | Diacritical mark placed over the letter n in Spanish to indicate a 'ny' sound, as in senor (5) |
| LAST | Like the third letters of three-letter answers (many of which you'll need to solve the meta) |
| XMAS | With its first letter representing the initial chi of the Greek "Khristos" meaning "Christ", a short form of the word "Christmas" (4) |
| EYERHYME | Similarity in spelling but not sound as in love and move |
| TRIGRAM | Gear in public transport vehicle showing inscription of three letters (7) |
| ATOLL | Single sound of bell's ring, in the main |
| IRRUPT | Single sound from a cat coming up, cat finally burst in (6) |
| SHORTI | One of three letters in "Mississippi" |
| EFFIGY | Could be a bust of three letters, some reported (6) |