| z.z.x. | despair | E.V. | ズィークス | New Testament of Pastalie |
| zaam | sea, ocean | n. | ? | Unknown [Unofficial] |
| zadius | hatred | n. | ザディウス | Metafalss Note |
| zaffur | struggle, oppose | v. | ? | Unknown [Unofficial] |
| zahha | advance, progress | v. | ザッハ | Cult Ciel Note |
| zalez | waterfall | n. | ザーレズ | New Testament of Pastalie |
| zarle | fall (as in rain) | v. | ザール | Central Standard Note |
| zarnn | storm, tempest | n. | ? | Unknown [Unofficial] |
| zash | pain, painful | adj., n. | ザッシュ | Central Standard Note |
| zassyen | swim | v. | ザッシェン | Central Standard Note |
| zauve | clever, sagacious, cleverness | adj., n. | ザーベ | Cult Ciel Note |
| zeeth | chain | n. | ジーズ | Central Standard Note |
| zenva | rise above, transcend | v. | ツェンヴァ | Central Standard Note |
| zess | like | adv. | ゼス | New Testament of Pastalie |
| zethpa | slash, cut | v. | ゼスパ | Central Standard Note |
| zetsfy | cruelty, harshness | n. | ゼッツファイ | Cult Ciel Note |
| zixxa | attitude, disposition, spirit | n. | ? | Unknown [Unofficial] |
| zodal | death of, process of dying | n., v. | ゾダル | Metafalss Note |
| zodaw | death | n. | ゾダウ | Metafalss Note |
| zuieg | authority, jurisdiction | adj., n. | ズウィーグ | Alpha Note (EOLIA) |
| zweie | determined, sincere | E.S. (II) | ツヴァイエ | Central Standard Note |
| zwihander | victory, win | n. | ツヴァイヘンデル | Central Standard Note |
| zz | negation | adv. | ズー | New Testament of Pastalie |
