3 letters:
hus, pax, pew

4 letters:
acts, apse, beda, bede, bema, byrd, copt, dean, fold, gray, huss, icon, ikon, kirk, mass, moon, nave, none, pope, ring, roma, rome, rota, side, toll, veil

5 letters:
abbey, aisle, apsis, basil, bruno, canon, crypt, curia, curse, earth, elder, flock, glebe, go to, kneel, motet, padre, plate, roman, saint, smith, spire, squat, tithe, uniat, vicar, world, young

6 letters:
accept, attend, bazaar, becket, co-opt, coptic, doctor, dossal, eparch, father, hearse, jerome, latten, lector, missal, moonie, mormon, nuncio, ordain, papacy, parish, popery, primus, reader, reform, ringer, rubric, sermon, sexton, sister, tallis, toller, uneven, uniate, verger, vestry, wonder

7 letters:
acolyte, ambrose, aquinas, baptist, beguine, brother, chancel, chapter, collect, commune, defrock, dominic, eparchy, erasmus, errancy, gradual, gregory, hassock, heretic, kerugma, kerygma, lateran, mormons, narthex, ostiary, pallium, pietism, placebo, pontiff, profane, rectory, servant, silence, stambul, starets, steeple, too bad, tribune, unfrock, violate, vulgate, winfred

8 letters:
alms box, anglican, assemble, basilica, benefice, boniface, breviary, buttress, canonize, cardinal, catholic, churchly, dedicate, donatism, ebionite, edifying, evensong, excision, exorcist, faithful, henry ii, holy see, inerrant, istanbul, landmark, lawrence, lutheran, mite box, nazarene, oblation, offering, official, orthodox, paganize, pardoner, penitent, poor box, reaffirm, recusant, reverend, rhythmic, rogation, romanism, sacristy, sanction, sidesman, stamboul, stations, temporal, transept, vicarage

9 letters:
apocrypha, augustine, august 15, austerely, byzantine, canon law, cathedral, clergyman, committed, discourse, dormition, episcopal, exarchate, genuflect, gregorian, gregory i, holy year, indweller, ingenuous, interdict, january 1, methodist, moderator, monsignor, mormonism, parsonage, patrimony, patristic, patrology, plainsong, preaching, presbyter, procreate, recession, recusancy, religious, sacrament, sacristan, sanctuary, shuttered, spiritual, subdeacon, vestryman

10 letters:
administer, anabaptism, archdeacon, assumption, athanasius, canterbury, chapelgoer, choir loft, churchgoer, churchlike, churchyard, confession, connection, consecrate, consistory, doorkeeper, fellowship, god's acre, henry viii, high altar, lay reader, monstrance, onion dome, organ loft, patristics, plainchant, postulator, prebendary, provincial, puritanism, separation, separatist, temporalty

11 letters:
anglicanism, appointment, bell ringer, byzantinism, catholicism, catholicity, christendom, church bell, church roll, commination, communicate, cutty stool, dissentient, erastianism, evangelical, exuberantly, high church, holy father, inquisition, internuncio, lady chapel, misbeliever, paternoster, patristical, philippians, pontificate, recessional, reformation, rood screen, side chapel, spiritualty, st. francis, sunday best, temporality, unnaturally, vestrywoman, vigil light

12 letters:
canonisation, canonization, churchwarden, church bench, church tower, circumcision, confirmation, congregation, consecration, conventional, disestablish, ecclesiastic, ecclesiology, episcopalian, eternal city, geert geerts, greek church, humeral veil, infrequently, joseph smith, metropolitan, nihil obstat, old catholic, presbyterian, roman church, saint thomas, saving grace, service book, spirituality, st. lawrence, sursum corda, vigil candle

13 letters:
beatification, brigham young, caesaropapism, church father, church member, church school, coptic church, divine office, excommunicate, kiss of peace, mormon church, nonconformist, protestantism, saint francis, scholasticism, separationist, st. augustine, stained glass, unpretentious, vicar-general

14 letters:
anglo-catholic, canonical hour, church officer, church of rome, church service, congregational, constantinople, eastern church, ecclesiastical, evening prayer, greek catholic, greek orthodox, intercommunion, roman catholic, sacred college, salt lake city, thomas aquinas, ultramontanism, western church

15 letters:
anglican church, capital of utah, catholic church, catholic school, church property, ecclesiasticism, episcopalianism, excommunication, gregorian chant, italian capital, orthodox church, oxford movement, presbyterianism, saint augustine, saint gregory i, thomas a becket, transfiguration, vicar of christ

16 letters:
byzantine church, capital of italy, christian church, collection plate, disestablishment, eastern orthodox, episcopal church, gerhard gerhards, high anglicanism, latter-day saint, man of the cloth, parochial school, russian orthodox

17 letters:
anglican catholic, anglo-catholicism, church of england, church of ireland, congregationalism, congregationalist, consubstantiation, francis of assisi, gregory the great, nondenominational, religious outcast, roman catholicism, solemnity of mary, spiritual bouquet, westminster abbey

18 letters:
anglican communion, apostolic delegate, assumption of mary, desiderius erasmus, ecclesiastical law, established church, unification church

19 letters:
christian scientist, counter reformation, disciples of christ, ecclesiastical robe, old catholic church, wesleyan methodists

20 letters:
acts of the apostles, doctor of the church, high anglican church, pentecostal religion, saint thomas aquinas

21 letters:
book of common prayer, ecclesiastical attire, greek orthodox church, roman catholic church, saint thomas a becket, stations of the cross

22 letters:
giovanni di bernardone

23 letters:
eastern orthodox church, ecclesiastical benefice, russian orthodox church, saint francis of assisi, united church of christ, united methodist church

24 letters:
orthodox catholic church

25 letters:
wesleyan methodist church

27 letters:
protestant episcopal church

31 letters:
congregational christian church

40 letters:
church of jesus christ of latter-day saints