• siderites,
• aideritis,
• zideritis,
• xideritis,
• dideritis,
• eideritis,
• wideritis,
• suderitis,
• sjderitis,
• skderitis,
• soderitis,
• s9deritis,
• s8deritis,
• siseritis,
• sixeritis,
• sideritris,
• syderitis,
• sideretis,
• seieritis,
• siderids

• siderite.

The adjective form of "sideritis" is "sideritic".

The plural form of the word "sideritis" is "siderites".

The singular form of the word "sideritis" is "sideritis". It is a noun that does not change in its singular and plural forms.