We couldn't find any words for the clue “Mitering” but these descriptions might be helpful:
- Catering (3 words, e.g. COOKERY)
- Altering (4 words, e.g. SPAYING)
- Entering (11 words, e.g. INGOING)
- Filtering (= SIFTING)
- Dithering (3 words, e.g. INDECISION)