• siachronic,
• xiachronic,
• ciachronic,
• fiachronic,
• riachronic,
• eiachronic,
• duachronic,
• djachronic,
• dkachronic,
• doachronic,
• d9achronic,
• d8achronic,
• dizchronic,
• dischronic,
• diwchronic,
• diqchronic,
• diaxhronic,
• diacronic,
• diacrhonic,
• dyachronic

• dichromacy,
• dicranales,
• dicranaceae,
• chronic,
• dichromia,
• dicranum,
• dichromatic,
• discerning,
• dichromat,
• discern,
• dichromasy,
• dichromate.

The adjective form of the word "diachronic" is "diachronical".

The plural form of the word "diachronic" is "diachronics".

The singular form of the word "diachronic" is "diachrony"