Inflect

'That' has only the two cases, nominative and objective, and it does not inflect depending on the case.

In English, it is very easy to write entire books without giving away your gender. This is unlike Romance or Slavic languages, which inflect adjectives, and sometimes even verbs, for gender.

Nouns inflect for plural in English.

The actress has a great skill of being able to inflect her voice to any situation.

In Latin, adjectives and nouns inflect a lot, but inflection is minimally found in Modern English.