Pronunciation is based on the spelling. How many syllables are in the word 'wandring'? How many are in the word 'wandering'? Sadly, the modernization breaks

Pronunciation is based on the spelling. How many syllables are in the word 'wandring'? How many are in the word 'wandering'? Sadly, the modernization breaks the meter and it's no longer a sonnet. I have a sneaky suspicion The Bard was deliberate in his choice of spelling...