Lower case
Upper case
Both terms in one sentence
- However many aliens in fictional works use writing systems that are just like the English alphabet except for the shape of the letters (some even have upper case and lower case).
Source: Indo-European Alien Language -
Double Meaning Title: The 'II' in Samurai Warriors 4-II both refers to it being the second iteration of Samurai Warriors 4, and to Naomasa Ii (spelled with an upper case and lower case 'i'), the sole new character for the game.
Source: Video Game / Samurai Warriors -
The Walrus Was Paul: /r/gggg, which was originally only morse code messages, with lower case being .'s and upper case being dashes.
Source: Website / Reddit
Cite this Source
Upper case and Lower case. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/lower_case/upper_case
Lower case & Upper case. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/lower_case/upper_case>.
Upper case or Lower case. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/lower_case/upper_case.
Google Ngram Viewer shows how "lower case" and "upper case" have occurred on timeline