JECategories 1:10 :ܦܐܪ̈ܐܘܢܘܡܐ ܕܝܢ ܐܘܟܝܬ ܕܡܢ ܫܡܐ ܡܬܐܡܪܝܢ ܟܠܗܘܢ ܗܠܝܢ ܕܟܕ ܡܫܚܠܦܝܢ ܒܦܛܘܣܝܣ ܐܘܟܝܬ ܒܡܦܘܠܬܐ‏ : paronyms then, i.e., from the word, is said of all those that are changed by derivation, i.e, with m'
See the entire entry for mappəlā, mappultā n.f. fall