four | wave

wave
gen.	faire signe de la main; dire bonjour de la main
chem.	arbre
comp.	tilde
industr. construct. met.	martelage
kayak.	flot
nat.sc. environ.	vague
tech.	onde; ondulation

| interaction

interaction
comp.	coopération
comp., MS	interactions
construct.	action réciproque
math.	interaction
med.	rapport réciproque

- only individual words found