
Yes, the spangram in Strands can be a proper name. While the theme words cannot be proper names, the spangram, which is a special theme word that spans the entire puzzle and tells you what the words have in common, can be a proper name6.

In the Strands puzzle, letters are connected vertically, horizontally, and diagonally to form words. Players can drag their mouse or finger to connect letters in any direction, and it's possible to switch directions in the middle of a word. Double tapping the last letter submits the guess in touchscreen mode. The aim is to find a group of words that have something in common, and a special word called a spangram, which tells you what the words have in common5.