Language reveals universal truths about love. 'Wool sweater' or 'woolen sweater'? Grandmother crackers.

915. Love is much more than romance, and different languages reveal universal truths about the different kinds of love. Plus, we look at whether you should write about wool sweaters or woolen sweaters, silk blouses or silken blouses, wood benches or wooden benches. Is it actually OK to use nouns as adjectives?