Beheadment

However, the ordinary beheadment, as this phenomenon is called, is so widespread that it creates little interest. There are beheadments, though, which do have some sort of distinction. For instance, both the words concerned may have approximately the same meaning. Thus, ALONE and LONE both mean ‘solitary’.

Source: wiktionary

A famous story about a beheadment concerns a university professor who put up a notice that he ‘would meet his classes tomorrow’. Some joker beheaded ‘classes’ and made it into ‘lasses’, but the professor then got his own back by deleting the ‘I’.

Source: wiktionary

If you came up with bring and its beheadment, ring, you'd be right. Beheadments don't always rhyme, and sometimes one word is capitalized and the other is not, but the original word and its beheaded version will always fit into a sensible sentence.

Source: wiktionary

The chairs in this room are covered with tapestry work, said to be portions of the cloak worn by King Charles at the time of his beheadment.

Source: wiktionary