fly - airport - travel
plane
ocean - expensive - eat
seafood
human - number - area
population
words - pages - knowledge
book
subject - school - past
History
clock - hour - minute
second
colors - sun - rain
rainbow
insect - butterfly - leaves
caterpillar
smoke - ash - mountain
volcano
head - rest - bed
pillow
milk - sour - white
yoghurt
farm - wool - baby
lamb
door - lock - open
key
immune system - Covid 19 - syringe
vaccine
catch - bounce - throw
ball
spice - sweet - white
sugar
eat - chopsticks - white
rice
clear - healthy - glass
water