time; hour; period; class
to float; to be suspended; to rise to the surface; to appear; to come to mind; to have inspiration
footpath; walkway; sidewalk
to descend; to go down; to be handed down (of an order, judgment, etc.); to pass (of time); to surrender; to capitulate; to be less than
previously; before; first; before (something or someone else); beforehand; in advance
to stream; to flow (liquid, time, etc.); to be washed away; to be carried; to drift; to float (e.g. clouds); to sweep (e.g. rumour, fire)
glittering; sparkling; glistening; twinkling
reflection; reverberation; reflex; reflexes
semi-transparent; translucent
examination; quiz; test; tryout; rehearsal (in filming)
aquatic (life); living in the water
(sea) voyage; navigation; sailing; passage; cruise
learning; scholarship; study; study of ...; -ology; -ics
period; epoch; the times; those days; oldness; ancientness
demon; devil; evil spirit; monster; goblin; apparition
daydream; fantasy; fancy; vision
living thing; organism; creature; biology
present age; present day; today; modern era; modern times
actual existence; real existence; existing in real life
from the standpoint of; as a matter of (e.g. fact); aboard (a ship or vehicle); on top of; first volume (e.g. book); superior quality; best
full-length portrait or statue
middle; midway; middle position; moderate position; interim; intermediary
growth; development; growing up; growth (of a company, the economy, etc.)
understanding; comprehension; appreciation; sympathy
to have; to possess; to own; to be endowed with
to dive (into or under water); to get under; to get into; to hide oneself (esp. from the government); to conceal oneself
deep sea; depths of the sea; ocean depths
investigation; examination; inquiry; enquiry; survey
work; operation; manufacturing; fatigue duty
force; strength; capability; ability; efficacy; effect; effort
show (of power, ability, etc.); exhibition; demonstration; display; manifestation
one; 1; best; first; foremost; beginning; start
metre; meter; meter; gauge
although; despite; whereas; while; if only; I wish