Llythien, n. a flounder, a flatfish
Llythol, a. flaccid
Llythus, a. of a flaccid tendency
Llythyn, n. a weakling
Llythyr, n. an engraved character; a letter, an epistle
Llythyraeth, n. orthography
Llythyrog, a. of letters, literary
Llythyrol, a. literal, literate
Llythyrdy, n. a post-office
Llythyredigaeth, n. a lettering, a cutting of letters