1. That distinguishes. Diacritical marks, marks that distinguish letters of the alphabet which resemble each other.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• diauretic,
• diaretic,
• diacronic,
• siacritic,
• xiacritic,
• ciacritic,
• dicritic,
• diacrtic,
• diacrittic,
• diacratic,
• diacritical,
• rachitic,
• diacastic,
• diacautic,
• dicrotric,
• himaritic,
• oneirocritic,
• Pracritic,
• diarrohic,
• dicaryotic

• discord,
• discard,
• critic,
• discordant,
• discredit,
• Discarding,
• diacritical,
• discretion.

The adjective form of the word "diacritic" is "diacritical".

The plural of the "diacritic" can be the "diacritics".

The singular of the "diacritic" can be the "diacritic".