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: ANTA, NEAR, NITS, and OVUM.
Stack these five four-letter words, atop one another, to form four columns of five-letter words read top to bottom: CALK, HEIR, MINI, PEST, and UREA.
Stack these six four-letter words, atop one another, to form four columns of six-letter words read top to bottom: ALEE, ARIA, GILL, GOBS, MOLT, and NERD.
Stack these seven four-letter words, atop one another, to form four columns of seven-letter words read top to bottom: DINE, EATS, ITEM, LAGS, MILE, OPAL, and PLEA.
Stack these eight four-letter words, atop one another, to form four columns of eight-letter words read top to bottom: AVER, DEBS, DIME, MAGE, OGRE, ORAL, STEP, and YENS.