What's the difference between aguish and agush?

Aguish

Definition:

• (a.) Having the qualities of an ague; somewhat cold or shivering; chilly; shaky.
• (a.) Productive of, or affected by, ague; as, the aguish districts of England.

Example Sentences:

Agush

Definition:

• (adv. & a.) In a gushing state.

Example Sentences: