the secret palindromic woid and its non-plural plural and phonetically similar variants

satchmo/warner/doughboy/fun to make/monterey/weasel/cereal elf/exhausted/heavily pregnant/culture/balloons, bubbles and firecrackers/photographers/choklit shop proprietor

Answer Key:

Louis “Pops” Armstrong/Poppin’ Fresh, the Pillsbury Doughboy/Jiffy Pop Popcorn/Monterey Pop/Pop Goes the Weasel/Pop, Snap’s & Crackle’s associate/Too Pooped to Pop/Ready to Pop/PIP Culture (a knowledge of which is a big help with the answers)/Things that pop/Paparazzi/PIP Tate

…and a tip of the hat to Groucho Marx, who on You Bet Your Life invited guests to say the “secret woid”