burn to a crisp vs swelter

burn to a crisp

verb

To burn (usually food) very severely.

swelter

verb

To suffer terribly from intense heat.
To perspire greatly from heat.
To cause to faint, to overpower, as with heat.

noun

Intense heat.

How often have the words burn to a crisp and swelter occurred in a corpus of books? (source: Google Ngram Viewer )