Modifiers matching prayer:

• devotional,
• important,
• familiar,
• traditional,
• formal,
• special,
• public,
• natural,
• ordinary,
• private,
• contemplative,
• christian,
• written,
• individual,
• healing,

Simple categories matching christian:

• doctrine,
• event,
• theology,
• season,
• rite,
• monument,
• practice,
• formation,
• product,
• activity,
• nation,
• ritual,
• professional,
• grouping,
• attribute,
• vocation,
• grace,
• supplication,
• piece,
• part,
• virtue,
• holiday,
• vocabulary,
• quality,
• literature,
• ethics,
• festival,
• teaching,
• forum,
• fellowship,
• organisation,
• group,
• denomination,
• tradition,
• movie,
• resource,
• inheritance,
• theme,
• leadership,
• dogma,
• symbol,
• family,
• building,
• medium,
• land,
• occupation,
• text,
• works,
• period,
• object,
• society,
• individual,
• art,
• program,
• community,
• trait,
• instruction,
• worker,
• miracle,
• people,
• video,
• service,
• discipline,
• morality,
• idea,
• characteristic,
• behavior,
• concept,
• character,
• sect,
• sign,
• worship,
• edifice,
• thing,
• values,
• performer,
• material,
• subject,
• accessory,
• prayer,
• ngo,
• presentation,
• celebration,
• music,
• story,
• content,
• topic,
• education,
• ceremony,
• university,
• body,
• organization,
• marker,
• heresy,
• movement,
• publication,
• belief,
• arts,
• item,
• image,
• creed,
• faith,
• book,
• artist,
• structure,
• college,
• institution,
• study,
• school,
• cult,
• gathering,
• issue,
• sacrament,
• life,
• leaders,
• merchandise,
• band,
• ministry,
• culture,
• enterprise,
• country,
• outlook,