Gists, noun plural of gist. Synonyms in the same form.
Sum
sums, cores, substances, piths, kernels, nubs, cruxes, spirits, hearts, stuffs, marrows, tenors, meats, effects, purports, souls, drifts, forces, centers, imports
Essence
essences, thrusts, quintessences
Other
run-throughs, heartstrings
All synonyms for gist →