ROGET THESAURUS
retroversion
Inversion
N
inversion, eversion, subversion, reversion,
retroversion, introversion, contraposition, contrariety, reversal, turn of the tide, overturn, somersault, somerset, summerset, culbute, revulsion, pirouette, transposition, transposal, anastrophy, metastasis, hyperbaton, anastrophe, hysteron proteron, hypallage, synchysis, tmesis, parenthesis, metathesis, palindrome, pronation and supination, inverted, wrong side out, wrong side up, inside out, upside down, bottom upwards, keel upwards, supine, on one's head, topsy-turvy, sens dessus dessous, inverse, reverse, opposite, top heavy, inversely, hirdy-girdy, heels over head, head over heels.