first types first ukrainian first ultra first ultrasound first undercover first undergraduate first understand first understood first underwater first unified first union first unique first unit first unitarian first united first united states first universal first universities first university first unmanned first unofficial first unveiled first up first up on first update first upgrade first upper first urban first urine first usage first use first use of nuclear first use of the term first used first used the term first user first users first uses first vacation first vaccination first vaccine first vacuum first valentine first validation first value first valve first vampire first vampires first variable first variant first variation first vatican council first vector first vegan first vehicle first vehicles first venture first venue first verified first verify first verse first verses first version first version was released first versions first vertical first very first vessel first vic first vicar first vice first vice president first vice-chancellor first vice-president first victim first victims first victories first victory first video first video game first video games first videos first vienna first vietnamese first view first viewing first views first viking first village first villages first vines first vineyard first vintage first vinyl first violation first violent first violin first violinist first virtual