Home › Words › P › pillwortpillwortpillwort · noun — any plant of the genus Pilularia of small aquatic ferns. The sporangia are borne in spherical sporocarps ("pills") which form in the axils of leaves.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, pillwort ranks #7,746 of 43,295 for Qualifying.EtymologyFrom pill + wort.nounAny plant of the genus Pilularia of small aquatic ferns. The sporangia are borne in spherical sporocarps ("pills") which form in the axils of leaves.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.pearlwort 66% match — Any of several flowering plants that have flowers the shape and size of small pearls vs pillwort →springwort 63% match — The plant St. John's wort. vs pillwort →strapwort 62% match — The plant Corrigiola litoralis. vs pillwort →willowwort 62% match — Any plant of the willow family Salicaceae. vs pillwort →lilywort 62% match — Any plant of the lily family or order. vs pillwort →pondweed 62% match — Any of several plants that grow in ponds or similar aquatic conditions:; Potamogeton, a diverse and worldwide genus vs pillwort →spleenwort 62% match — Any of a number of types of ferns in the genus Asplenium. vs pillwort →awlwort 61% match — An aquatic plant, Subularia aquatica, with awl-shaped leaves. vs pillwort →