In the following words:
debt doubt subtle
the <b> is silent. This is also true of derivatives like debtor, doubtful, subtlety.
Elsewhere the sequence <bt> is pronounced bt. Examples:
obtain subtitle subtract
In the following words:
debt doubt subtle
the <b> is silent. This is also true of derivatives like debtor, doubtful, subtlety.
Elsewhere the sequence <bt> is pronounced bt. Examples:
obtain subtitle subtract