Similar words: unearthly, fourth, monthly, smoothly, bimonthly, fourteen, fourteenth, worthless. Meaning: ['fɔrθlɪ /'fɔːθ-] 
adv. in the fourth place.
adv. in the fourth place. 91, Fourthly, he initiates an exploration into the forms of writing under the critical reflection context of ethnographical "writing culture".
More similar words: unearthly, fourth, monthly, smoothly, bimonthly, fourteen, fourteenth, worthless, further, furthermore, fourteenth amendment, athlete, athletic, highly, richly, archly, toothless, athletics, ruthless, roughly, harshly, fleshly, decathlon, faithless, four, lavishly, impishly, ruthlessly, breathless, foolishly.