Stackable words

Atop one another

Stack these four four-letter words, atop one another, to form four columns of four-letter words read top to bottom: ACRE, CHAT, ERGS, and NANA.

Stack these five four-letter words, atop one another, to form four columns of five-letter words read top to bottom: ADZE, AWAY, EYED, GNAW, and LIMA.

Stack these six four-letter words, atop one another, to form four columns of six-letter words read top to bottom: AXLE, BEST, DYER, ERGO, KIDS, and SPUN.

Stack these seven four-letter words, atop one another, to form four columns of seven-letter words read top to bottom: EACH, ERRS, ONLY, RICH, SLAP, TEEN, and TYKE.

Stack these eight four-letter words, atop one another, to form four columns of eight-letter words read top to bottom: ANTI, BATE, ETAS, ILEA, LEAD, LEST, MARS, and SIGN.