Synonyms for bird

Most common

1. Chick — A girl or woman, especially one considered sexually attractive

girl, squab, doll, miss, chick slang, dame slang dated US, hen slang UK, skirt vulgar slang US, wench dated, bitch vulgar slang, broad slang US, gal vulgar, lass informal dated

2. Boo

boo, hoot, hiss, razz, raspberry, snort, razzing informal

3. Cocky — A bird; especially, a small and cute one

4. Fowl — an animal of the clade (traditionally class) Aves in the phylum Chordata, characterized by being…

Other

1. Avian — resembling or characteristic of a bird

Other

bird-like

n. 1
An animal of the clade (traditionally class) Aves in the phylum Chordata, characterized by being warm-blooded, having feathers and wings usually capable of flight, having a beaked mouth, and laying eggs.
Ducks and sparrows are birds.
n. 2
A girl or woman, especially one considered sexually attractive.
n. 3
A bird; especially, a small and cute one.
Near-synonyms: birdlet, birdling, birb, cocky
adj. 1
Resembling or characteristic of a bird.

Word family: birdbander birdcall birdcrap birder bird-in-a-bush birding birdkeeping birdlet
Phrases: bird of passage gallows bird strange bird flip the bird ku ku bird bird bird bird colonel dolly bird
Is a kind of: tetrapod vertebrate animal dinosaur organism
Other spellings: birdie birdy CA

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

3 letters: guy¹, boo¹, gal¹, hen¹
4 letters: time¹, girl¹, miss¹, doll¹, dame¹, lass¹, hoot¹, hiss¹, fowl¹, razz, birb
5 letters: bitch¹, broad¹, brick¹, chick¹, skirt¹, finch¹, cocky², avian³, snort¹, wench¹, squab
6 letters: fellow², birdly
7 letters: chicken², stretch¹, shuttle², razzing, birdlet
8 letters: porridge², nestling², birdling
9 letters: raspberry³
11 letters: shuttlecock

The small number after each word is its number of syllables (cocky² = 2 syllables).