This is the 1052nd most frequent Swedish word.
kristna
"Kristna" means "Christians" or "to Christianize" depending on context.
In this sentence, 'kristna' is used as a noun meaning 'Christians', referring to people following Christianity.
Många kristna samlas i kyrkan på söndagar.
Many Christians gather in church on Sundays.
Here, 'kristen' is used as an adjective derived from 'kristna' to describe a noun, the mural, as relating to Christianity.
Det finns en kristen väggmålning i salen.
There is a Christian mural in the hall.
In this sentence, 'kristna' is used as a verb meaning 'to Christainize' or 'to baptize', specifying an action with religious connotation.