瑣末[samatsu] trivial
瑣事[saji] something small or petty
煩瑣[hansa] vexatious

煩瑣哲学[hansatetsugaku] scholastic philosophy
瑣談[sadan] overly-detailed and tedious conversation

委細面談[isaimendan] details when I see you
縁談[endan] marriage proposal
下相談[shitasoudan] preliminary consultation
画談[gadan] discussions on art and painting
会談[kaidan] conversation

怪談[kaidan] ghost story
歓談[kandan] pleasant talk
閑談[kandan] quiet conversation
休戦会談[kyuusenkaidan] armistice conference
軍談[gundan] war story