-ы, ж.
Женск. к собеседник.
собесе́дница
Женск. к сущ.: собеседник.
собесе́дница,
собесе́дницы,
собесе́дниц,
собесе́днице,
собесе́дницам,
собесе́дницу,
собесе́дницей,
собесе́дницею,
собесе́дницами,
собесе́дницах
"Everything that is beautiful and noble is the product of reason and calculation." Charles Baudelaire
"The best way to keep your friends is not to give them away." Wilson Mizner
"Silence is the mother of truth." Benjamin Disraeli
"Never forget the three powerful resources you always have available to you: love, prayer, and forgiveness." H. Jackson Brown, Jr.