hilum — Botany. the mark or scar on a seed produced by separation from its funicle or placenta. the nucleus of a granule of starch.
phylum — Biology. the primary subdivision of a taxonomic kingdom, grouping together all classes of organisms that have the same body plan.
Three-syllable rhymes
asylum — If a government gives a person from another country asylum, they allow them to stay, usually because they are unable to return home safely for political reasons.