Yesterday’s solution:

Today’s aim: 18 words: Good 27 words: Very good 37 words: Excellent chip, chips, chit, city, hips, hiss, hits, itch, itchy, physic, PHYSICIST, physics, pitch, pith, pithy, pits, pity, schist, ship, ships, sips, sits, spicy, spit, spits, this, tips, tipsy, yips