Biannually.
biofical
activate
The word biannually has the prefix bi- (two) and the suffix -ly (adverb, manner of action).
The word that means "bi" in Greek is "δί." In Latin, the word is "bi-" or "duo."
Monthly doesn't have a prefix. You add the prefix bi- to it to make the word bi-monthly.
typing tilling tip toeing probably loads more!
apologize, answer, assist, add, annoy, ambush, approach, assault
bi is the base word in biceps, bi means two
bicycle
A biped has two legs used for walking, such as humans and birds.
month is the root word. bi- is the prefix. -ly is the suffix.