rr

rr = /r/

arrive, array, arrange, carriage, carrot, parrot, carry, harry, parry, marry, merry, berry, cherry, ferry, terry, sherry, quarry, quarrel, harrow, yarrow, borrow, sorrow, arrow, sparrow, marrow, narrow, narrate, narrator, mirror, horror, error, terror, terrible, territory, terrific, arrogant, arrear, arrest, correct, corrode, corrupt, corroborate, correspond, corral, correlate, barrel, barren, barrier, barricade, errand, errata, erratic, irradiate, irrigate, irritate, serrate, ferret, embarrass, terrace, torrid, herring, guerrilla