Synonyms for bill

Most common

1. Poster — A paper, written or printed, and posted up or given away, to advertise something, as a lecture, a play, or…

2. Note — A writing that binds the signer or signers to pay a certain sum at a future day or on demand, with or without…

3. Beak — the beak of a bird, especially when small or flattish; sometimes also used with reference to a platypus…

4. Hand bill — A cutting instrument, with hook-shaped point, and fitted with a handle, used in pruning, etc.; a billhook

Other

n. 1
A paper, written or printed, and posted up or given away, to advertise something, as a lecture, a play, or the sale of goods
n. 2
A writing that binds the signer or signers to pay a certain sum at a future day or on demand, with or without interest, as may be stated in the document; a bill of exchange. In the United States, it is usually called a note, a note of hand, or a promissory note.
n. 3
The beak of a bird, especially when small or flattish; sometimes also used with reference to a platypus, turtle, or other animal.
n. 4
A cutting instrument, with hook-shaped point, and fitted with a handle, used in pruning, etc.; a billhook.

Word family: billboard billfold billhead billposter billposting billsticking
Phrases: bank bill banker's bill bill of goods bill of fare bill of lading dollar bill fit the bill on one's bill

Bill, Notes or Bills?

What are termed in England bank-notes are in the United States commonly called bills; as, a five-dollar bill.

J. C. Fernald, English Synonyms and Antonyms (1914)

Use in printed books, per decade from 1850 to 2019.

The small number after each word is its number of syllables (flyer² = 2 syllables).