Crossword clues for the word: ZENER The word ZENER has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for ZENER Showing 1 to 8 of 8 results Clue(s) ___ cards (ESP testers) ___ cards (ESP testing items) ___ cards (items used in ESP tests) ___ cards (tools used in ESP testing) "___ cards, used in ESP experiments" ESP test-cards eponym Perceptual psychologist Karl who lent his name to a famous test Psychologist Karl who designed cards to test for 67-Across