Following are all the epistolary like words, in the list below.
EPISTOLATORY
100% like epistolary
INFORMAL
99.31% like epistolary
PRESCRIPT
66.58% like epistolary
LITERARY
33.44% like epistolary
NONLITERARY
33.44% like epistolary
SERIOCOMIC
33.44% like epistolary
CIRCUMLOCUTORY
33.44% like epistolary
ESSAYISTIC
33.44% like epistolary
AUCTORIAL
33.44% like epistolary
EXEGETIC
33.44% like epistolary
CORRESPONDENCE
33.44% like epistolary
MONOLOGIC
33.44% like epistolary
ROMANCES
33.44% like epistolary
FICTIONALIZATION
33.44% like epistolary
CHRONOGRAPHY
33.44% like epistolary
EPISTLES
33.44% like epistolary
EPISTLE
33.44% like epistolary
BELLETRISTIC
33.44% like epistolary
ROMANCE
33.44% like epistolary
TEXTUALIZATION
33.44% like epistolary
POLYVOCAL
33.44% like epistolary
CITATIONAL
33.44% like epistolary
EPIGRAMMATIC
33.44% like epistolary
METACOMMENTARY
33.44% like epistolary
NOVEL
33.44% like epistolary
HISTORIOGRAPHIC
33.44% like epistolary
COURTSHIP
33.44% like epistolary
EPISTOLA
33.44% like epistolary
MARTYROLOGICAL
33.44% like epistolary
LITERARINESS
33.44% like epistolary
PARATACTIC
33.44% like epistolary
METALEPSIS
33.44% like epistolary
PANEGYRICAL
33.44% like epistolary
CHIROGRAPHY
33.44% like epistolary
LITURGIC
33.44% like epistolary
EXHORTATORY
33.44% like epistolary
BILDUNGSROMAN
33.44% like epistolary
NOVELISTIC
33.44% like epistolary
DISCOURSIVE
33.44% like epistolary
FRIENDSHIP
33.44% like epistolary
PLATONIC
33.44% like epistolary
UNLITERARY
33.44% like epistolary
MULTICHARACTER
33.44% like epistolary
PICARESQUE
33.44% like epistolary
NARRATOLOGICAL
33.44% like epistolary
DUOLOGUE
33.44% like epistolary
CONTRAPUNTAL
33.44% like epistolary
PAPYROLOGICAL
33.44% like epistolary
BOOKISHNESS
33.44% like epistolary
INTRAOFFICE
33.44% like epistolary
NARRATORIAL
33.44% like epistolary
ANTHOLOGICAL
33.44% like epistolary
EXEGESIS
33.44% like epistolary
CORRESPONDANCE
33.44% like epistolary
POETIC
33.44% like epistolary
TRAGICOMIC
33.44% like epistolary
INTERTEXTUAL
33.44% like epistolary
NONFICTIONAL
33.44% like epistolary
DIALOGIC
33.44% like epistolary
MULTIGENRE
33.44% like epistolary
EPISTOLIC
33.44% like epistolary
EPISTOLOGRAPHIC
33.44% like epistolary
SCRIPTORY
33.44% like epistolary
ESCRITORIAL
33.44% like epistolary
SCRIPTORIAL
33.44% like epistolary
PHILOGRAPHIC
33.44% like epistolary
EPIGRAPHIC
33.44% like epistolary
CALLIGRAPHIC
33.44% like epistolary
MANUSCRIPTURAL
33.44% like epistolary
PAMPHLETARY
33.44% like epistolary
LETTERAL
33.44% like epistolary
EPISTYLAR
33.44% like epistolary
PARAGRAPHIC
33.44% like epistolary
PSEUDEPIGRAPHICAL
33.44% like epistolary
PSEUDEPIGRAPHIC
33.44% like epistolary
WRITERLY
33.44% like epistolary
PETITIONAL
33.44% like epistolary
ALPHABETICAL
33.44% like epistolary
POSTSCRIPTAL
33.44% like epistolary
PHILATELICAL
33.44% like epistolary
PALEOGRAPHIC
33.44% like epistolary
MANUSCRIPTAL
33.44% like epistolary
ORTHOGRAPHICAL
33.44% like epistolary
APOGRAPHAL
33.44% like epistolary
ACROSTIC
33.44% like epistolary
EPILOGICAL
33.44% like epistolary
PALAEOGRAPHICAL
33.44% like epistolary
LYRIC
33.44% like epistolary
EMISSARIAL
33.44% like epistolary
SCRIBELY
33.44% like epistolary
HYETOGRAPHICAL
33.44% like epistolary
SYPHILOLOGICAL
33.44% like epistolary
PHILOLOGISTIC
33.44% like epistolary
ELEGIAC
33.44% like epistolary
EPITAPHIAN
33.44% like epistolary
EPILOGISTIC
33.44% like epistolary
GLYPHOGRAPHIC
33.44% like epistolary
EPIGRAMMATICAL
33.44% like epistolary
OBITUARIAL
33.44% like epistolary
LEXIGRAPHIC
33.44% like epistolary