French sound changes and analog

2 are data from Modern French and its ancestor Old French.1 The data are divided into two sets:
in set (i) are pairs of singular and plural nouns and adjectives; in set (ii) are other words. Sound changes
have occurred in almost all the words on p. 2, and analogical processes have also affected some forms. Among
the sound changes seen on p. 2 are these five changes, which you should ignore in this assignment: