@kbd{C-M-t} (@code{transpose-sexps}) is a similar command for transposing two expressions (@pxref{Expressions}), and @kbd{C-x C-t} (@code{transpose-lines}) exchanges lines.  <del>They</del>  <ins>@kbd{M-x transpose-sentences} and @kbd{M-x transpose-paragraphs} transpose sentences and paragraphs, respectively.  These commands</ins> work like @kbd{M-t} except as regards the units of text they transpose.