1. To which; to what; to what end.

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

• whernt,
• whereup,
• wheet,
• wherethe,
• wherent,
• wereno,
• wherea,
• wereso,
• wherte,
• wheree,
• wherehe,
• whereva,
• wereto,
• wheret,
• wherer,
• whereyou,
• wherew,
• heret,
• whereit,
• whetet

• wherewith,
• whereat.

The adjective form of the word "whereto" is "wheretofore".

The plural form of "whereto" is "wheretos." However, it is worth noting that "whereto" is not commonly used in its plural form.

The singular form of the word "whereto" does not exist. It is already a singular form. "Whereto" is an adverb that means "to which place or situation".