II. When the Positive ends in -ER, the Superlative is formed from the Nominative case by adding
-RIMUS, as Pulcher (fair), Pulcherrimus (fairest).
III. When the Positive ends in -LIS, the Superlative of the following nouns is formed by changing
-LIS into -LLIMUS: Humilis (humble), Humillimus; Similis (like), Simillimus; Facilis (easy), Facillimus; Gracilis (thin), Gracillimus.
IV. Adjectives ending in -US compounded of the Verbs Dico, Facio, Volo, Loquor change -US into
-ENTIOR and -ENTISSIMUS, as: Maledicus (evil-tongued), Maledicentior, Maledicentissimus; Magnificus (magnificent), Magnificentior, Magnificentissimus; Benevolus (good-willing), Benevolentior, Benevolentissimus.
V. Adjectives that have a vowel before -US, make the Comparative and Superlative by
Magis and Maxime, as: Idoneus (fit), Magis Idoneus (more fit), Maxime Idoneus (most fit).
VI. When any adjective to be Compared is compounded of the Preposition PER, it shall be compared as normal, only before the Comparative put the word
Multo or Longe, and before the Superlative put Quam, as: Perdoctus (very learned), Multo or Longe Doctior, Quam Doctissimus; So, Per-pius, Multo or Longe Magis Pius, Quam Maxime Pius or Quam Piissimus.