Synonyms to jargon word

technicality, a little thing, area, bag, complexity, complexness, complication, convolution, crabbedness, cup of tea, entanglement, field, forte, hardly anything, inessential, insignificancy, intricacy, intricateness, involution, involvement, line, long suit, main interest, manner, marginal matter, matter of indifference, mere nothing, metier, minor matter, naught, nihility, no great matter, nothing, nothing in particular, nothing to signify, nullity, paltry affair, perplexity, pet subject, peu de chose, pursuit, ramification, rien du tout, scarcely anything, specialism, speciality, specialization, specialty, strong point, style, subtlety, tanglement, technical term, thing, thing of naught, type, vocation, way, weakness