• herbssaint,
• herbzaint,
• hertsaint,
• hercsaint,
• herbesaint,
• hervsaint,
• herbsant,
• herbsaynt,
• herebsaint

• harbour,
• birthright,
• suburb,
• verbosity,
• serpent,
• herb,
• herbicide,
• serenade,
• turbid,
• absurd,
• birth,
• rebirth,
• herbivore,
• earlobe,
• earth.

The adjective form of the word "herbsaint" is "herbsaint". The word itself is a noun and does not typically have an established adjective form.

The plural form of the word "herbsaint" is "herbsaints".

The singular form of the word "herbsaint" remains the same. It does not change, whether it is singular or plural.