Lark is a word that usually refers to a songbird or the act of rising early in the morning. However, there are many synonyms for this word that can be used in different contexts to add variety to your writing. Some of the possible synonyms include: skylark, songbird, early bird, morning person, chirper, tweeter, warbler, canary, and finch. Depending on your intended meaning, some other related words to lark can include jester, comedian, prankster, trickster, and clown. Remember that using synonyms in your writing can make it more interesting and help to avoid repetitive language.