causerie (n.)

• article
• chat
• chin
• descant
• discourse
• discussion
• disquisition
• dissertation
• essay
• etude
• examination
• excursus
• exposition
• feature
• gam
• homily
• lucubration
• memoir
• monograph
• morceau
• note
• outline
• paper
• paragraph
• piece
• prolegomenon
• prose
• rap
• screed
• sketch
• study
• survey
• talk
• tete-a-tete
• theme
• thesis
• tract
• treatise
• treatment
• visit
• yarn