The Hidden Element

The name of one chemical element appears as an unbroken string in the names of four other elements. What is the element, and what are the four?

	Select Click for Answer
Tin (actinium, astatine, platinum, protactinium). (Dave Morice, “Kickshaws,” Word Ways 28:3 [August 1995], 170-180.) 06/09/2021 UPDATE: In French, the name or (gold) appears as an unbroken string in the names of nine elements: bore (boron), californium, chlore (chlorine), fluor (fluorine), livermorium, phosphore (phosphorus), rutherfordium, seaborgium, and thorium. (Thanks, Jean-Claude.)