Similar words: collapsible, collapse, collar, collate, collation, collaborate, collaboration, capsicum.
121. A closed universe is a finite universe -- it will only expand to a certain size before collapsing.
More similar words: collapsible, collapse, collar, collate, collation, collaborate, collaboration, capsicum, lapse, collective bargaining, elapse, relapse, pull apart, holland, collude, collect, collide, college, collector, colleague, recollect, collision, collusion, corollary, sinking feeling, colloquium, collection, collective, colloquial, torticollis.