Inside the Universes

[louse.n.01] as in: wingless usually flattened bloodsucking insect parasitic on warm-blooded animals

[worm.n.02] as in: a person who has a nasty or unethical character undeserving of respect

[plant_louse.n.01] as in: any of several small insects especially aphids that feed by sucking the juices from plants

[bird_louse.n.01] as in: wingless insect with mouth parts adapted for biting; mostly parasitic on birds

					louse (English)
└── lows (Middle English (1100-1500))
    └── lus (Old English (ca. 450-1100))