strigilem, -im, skin-scraper
[552]. In the ablative, gender substantives have usually -e, and neuters and adjectives have -ī: as,
hoste, enemy; marī, sea; ācrī, sharp, brevī, short, audācī, daring.
[553]. (1.) Of gender substantives with the nominative in -is, a few have only -ī in the ablative, and many have either -ī or -e.
[554]. (a.) These ablatives have only -ī:
| secūrī, sitī, tussī, vī, | axe, thirst, cough, strength |
| canālī, cucumī, | conduit, cucumber |
Some names of rivers and cities have only -ī: as, Tiberī, Hispalī. The locative also ends in -ī: as, Neāpolī, at Neapolis.
[555]. (b.) These ablatives of gender substantives with the nominative in -is have -ī or -e:
amne, -ī, river
ave, -ī, bird