All these pairs (and even triples) are pronounced the same and yet are spelled differently:

Profit prophet
Sole soul
Tide tied
So sew
Bow bough
Ruff rough
Coda coder
Toad towed
Rime rhyme
To too two (tutu)
Load lode lowed
Sea see
Lade laid
Spade spayed
Sow sough
Rote wrote
Tort taught
Blue blew
Loos lose
Boos booze
Days daze
Lays laze
Rays raze
Links Lynx
Sloe slow
Toe tow
Shoe shoo
Lye lie li
Thai tie
Side sighed
Bode bowed
Rode rowed

Cheers, Tom.