Simple categories matching medieval:

• material,
• item,
• weapon,
• artefact,
• shape,
• organization,
• lane,
• document,
• instrument,
• history,
• study,
• building,
• wall,
• tradition,
• institution,
• discipline,
• sword,
• monument,
• arms,
• route,
• structure,
• thing,
• occupation,
• being,
• state,
• church,
• life,
• style,
• artifact,
• monster,
• architecture,
• weaponry,
• object,
• group,
• edifice,
• society,
• relic,
• establishment,
• equipment,
• sect,

Members with property medieval:

• flag,
• guildhall,
• dagger,
• sword,
• psaltery,
• screw,
• feudal_law,
• religious_guild,
• bow,
• jewellery,
• cologne_cathedral,
• lance,
• bagpipe,
• gothic_cathedral,
• castle,
• history,
• knife,
• university,
• ottoman_empire,
• longbow,
• garment,
• magical_harpsichord,
• shield,
• religious_house,
• fairy,
• shawm,
• bastard_sword,
• house,
• flute,
• incense,
• inn,
• da,
• abbey,
• cathedral,
• pompous_cathedral,
• court_record,
• antique_dagger,
• mace,
• war_spear,
• tara_brooch,
• minotaur,
• crown,
• halberd,
• xylophone,
• tuba,
• byzantine_history,
• guild_hall,
• bow_lane,
• saber,
• theology,
• church,
• transportation,
• stockholm_cathedral,
• substantial_wall,
• hour_glasses,
• laws,
• celtic_harp,
• gate,
• great_mosque,
• harpsichord,
• urban_history,
• palace,
• archaeology,
• baroque_cello,
• guitar,
• broadsword,
• modern_bass,
• ax,
• passage,
• castle_life,
• religious_fraternity,
• cello,
• armour,
• corporation,
• music,
• violin,
• collectable_figurine,
• viol,
• pipe,
• table,
• pike,
• crumhorn,
• weapon,
• lamp,
• lute,
• monastery,
• medieval_sword,
• family,
• harp,
• claymore_sword,
• el-cid_palace,
• chalice,
• market,
• french_horn,
• city_gates,
• sword_dagger,
• albigenses,
• parchment,
• residential_building,
• philology,
• clergy,
• romanesque_route,
• crossbow,
• sackbut,
• boar_spear,
• hurdy-gurdy,
• chapel,
• majestic_castle,
• town_council,
• long_sword,
• bow_dance,
• temple,
• feudal_life,
• triple_pipe,
• guild,
• stone_circle,
• gittern,
• original,
• cittern,
• holy-trinity_monastery,
• jury,
• jewelry,
• ink,
• architecture,
• wall,
• law,
• stone_house,
• franciscan_convent,
• wooden_flute,
• rectory,
• papacy,
• arranged_marriage,
• dulcimer,
• tabor,
• spear,
• cup,
• cathedral_school,
• ball,
• citole,
• cathari,
• broad_sword,
• skin,
• gem_horn,
• court,
• convent,
• sylph,
• citadel,
• celtic_church,
• arrow,
• stave_church,
• charity,
• moroccan_drum,
• goblet,
• soprano_crumhorn,
• assassination,
• oboe,
• rack,
• bongo,
• electric_guitar,
• literature,
• military_bayonet,
• trade_guild,
• college,
• dragon,
• organs,
• medicine,
• griffin,
• parish_church,
• empire,
• wizard,
• gothic_harp,
• waldenses,
• philosophy,
• sister_church,
• bath,
• alto_shawm,
• excalibur_sword,
• war,
• hospital,