Mammoth Uncensored Word List:
53 words ending with rm, 7 letters long

aciform aliform ausform aviform bagworm becharm bedform bestorm beswarm bioherm budworm catworm confirm conform cutworm deiform difform disform earworm eelworm encharm epiderm exoderm firearm forearm geoform hagworm lobworm lugworm midterm misform misterm nonfarm oosperm overarm oviform perform pinworm preform preterm prewarm ragworm seaworm sidearm tonearm triform uncharm uniform upswarm waxworm webworm yardarm zoeform