intermittently, occasionally, infrequently, regularly, periodically, frequently, rarely, seldom, sparingly, erratically, ineffectively, spasmodically, incessantly, continuously, briefly, sparsely, episodically, mostly, often, spottily, routinely, fitfully, inconsistently, ceaselessly, sometimes, intermittingly, torrentially, normally, steadily, extensively, usually, repeatedly, irregularly, fluidly, never, habitually, generally, alternately, once, though, frenetically, unreliably, spontaneously, arduously, elusively, frustratingly, ferociously, fleetingly, uninterruptedly, lately, patchily, amiably, mysteriously, voluminously, endlessly, recurrently, distractingly, chaotically, avidly, relentlessly, perplexingly, ineffectually, freely, only, obsessively, noticeably, disjointedly, poorly, noisily, constantly, nominally, haphazardly, rampantly, imperfectly, minimally, consistently, slowly, clandestinely, continually, unevenly, strangely, briskly, since, quietly, largely, mainly, indifferently, scrappily, elsewhere, weakly, sketchily, silently, faithfully, gradually, progressively, uneventfully, barely, fairly, cursorily, violently, purposelessly, amateurishly

periodically