fall apart
his car is falling apart

fall down
the house is falling down

fall for
I'm not falling for that one

falling
falling temperature

falling-off
diminuição

falling-out
desentendimento

inflection
a falling inflexion / a rising inflexion

like
snow is falling like in December

mercury
the mercury is falling

seam
...to be falling apart at the seams

sickness
falling sickness

target
falling target

tide
falling tide

torrent
rain was falling in torrents

wind
...wind is falling / the wind is increasing