I saw this interesting native-speaker spelling mistake today!
The writer wrote 'borough' instead of 'borrow'.
The interesting thing is that these 2 words are NOT homophones in the UK.
Something interesting happens with 'thorough' (Meaning: extremely attentive to accuracy and detail)
Anyway!
'Thorough' is one of 101 most mispronounced words, possibly because of the confusion with 'through'.
'Through' is a homophone of 'threw' (past tense of throw, which sounds like 'thorough in US English!!😫)
See also: throughout, tough, thought, though!