functioned, coexisted, flourished, materialized, created, arose, predates, originated, proliferated, lived, thrived, evolved, resided, surfaced, formed, imagined, codified, fostered, germinated, reigned, persisted, explored, transcended, colonized, invented, established, occurred, birthed, inhabited, happened, discovered, pliocene epoch, perpetuated, reappeared, prospered, disappeared, experimented, resembled, foreseen, reified, lurked, conceived, acted, harbored, operated, bloomed, envisioned, postulated, institutionalized, constituted, belonged, knew, sprouted, vanished, spawned, developed, placental mammal, studied, encountered, formalized, antedate, eradicated, uncovered, pervaded, languished, middle paleolithic, fossilize, bridged, superseded, permeated, ceased, resurfaced, lain, worked, upper paleolithic, built, eventuated, pertained, migrated, inheres, mushroomed, carboniferous period, engendered, glimpsed, had, nurtured, comprehended, disproved, abounded, overlapped, cohered, dawned, morphed, gone, predominated, blossomed, instated, extirpated, outgrew, dreamed, dismantled, lingered

aboriginal, age, anachronism, ancien regime, as yet, baltic, baltic language, byzantine church, chronological age, eastern church, fact, fossil, fossilisation, fossilization, heretofore, historical, historically, historicalness, hitherto, instantiate, isoetales, longstanding, misdating, mistiming, north vietnam, order isoetales, past, planetesimal, primaeval, primal, primeval, primordial, south vietnam, so far, thus far, til now, time scale, until now, upper paleolithic, up to now, yet, ylem