beer, bear, bare, beard, bird...
What a confusing set of words! Let's look at them in more detail:
Note: In my South-East UK accent, I don't pronounce the letter R unless there is a vowel sound after it.
BEER /bɪə/
BEAR /beə/
BARE /beə/
BEARD /bɪəd/
same spelling + same sound = can't think of any!
BIRD /bɜːd/
So now you know how to say: