There are many languages that use two or more scripts, for example Latin or Arabic. In Belarusian and Ukrainian there is an apostrophe to indicate de-palatalization of the preceding consonant. Azerbaijani has the apostrophe ʼ as a letter. Nenets has the apostrophe ʼ and double apostrophe ˮ as letters. References
For example, the "Swiss illness", the condition of Swiss mercenaries pining for their mountainous native home, became prototypical of the medical condition of nostalgia ("homesickness") described in the 17th century. In early modern Switzerland, the Swiss Confederacy was a pact between independent states within the Holy Roman Empire.