i Register
In some senses, mossy is marked as UK, colloquial. Watch for register when choosing this word.
ADJ.
ancient, beautiful, beneath, big, hollow, interested, over, rotten
VERB + MOSSY
cleared, crawled, hopping, outstretched, raced, roofed, sat, studying
MOSSY + NOUN
forests, rainforests, stone, stones, tree, wood
PREP.
across, from, in, in, on, with
ADV.
away