Loyal: showing firm and constant support.
Devoted: very loving or dedicated.
Both imply faithfulness and commitment.
Lethal: sufficient to cause death.
Fatal: leading to death.
Both describe something deadly.
Lament: to express grief or sorrow.
Mourn: to feel or show deep sorrow.
Both convey sadness or grieving.
Lint: tiny fibers that come off cloth.
Fur: fine soft hair covering animals.
Both refer to soft, fuzzy material.
Livid: extremely angry.
Furious: very angry.
Both describe strong anger.
Laborious: requiring much work.
Arduous: involving great effort.
Both describe something difficult and tiring.
Lugubrious: looking or sounding sad.
Mournful: expressing sadness.
Both describe sorrowful feelings.
Limpid: clear and transparent.
Lucid: easily understood.
Both imply clarity.
Lionize: to treat as an important person.
Idolize: to greatly admire.
Both mean giving someone high status or praise.
Luscious: richly sweet or appealing.
Scrumptious: extremely tasty.
Both describe something delicious.