Synonyms for Mother-in-law's Tongue (same or very similar meaning)
WordNet sense 1 (stemless plant having narrow rigid leaves often cultivated as a houseplant):
snake plant
WordNet sense 2 (a evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the name):
dumb cane, mother-in-law plant
From the ODE community, based on WordNet
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