In Western French some final ths were saved by being changed to f—Modern French soif (sitim), mœuf (obsolete, modum). English has one or two instances of final th, none of medial dh—faith (foi, fidem); Middle English cariteþ (charité, caritātem), druð (Old French dru, Teutonic drūd); generally the consonant is lost—country, charity. Middle High German shows the Eastern French final consonant—moraliteit (moralité, mōrālitātem). (11) T from Latin final t, if in an Old French unaccented syllable, begins to disappear in the Roland, where sometimes aimet (amat), sometimes aime, is required by the metre, and soon drops in all dialects. The Modern French t of aime-t-il and similar forms is an analogical insertion from such forms as dort-il (dormit), where the t has always existed. (12) The change of the diphthong ai to èi and afterwards to èè (the doubling indicates length) had not taken place in the earliest French documents, words with ai assonating only on words with a; in the Roland such assonances occur, but those of ai on è are more frequent—faire (facere) assonating on parastre (patraster) and on estes (estis); and the MS.