Οὔτοι ποθ' οὑχθρός, οὐδ' ὅταν θάνῃ, φίλος → One's enemy does not become one's friend when they die
Lit. and Met., P. and V. ταράσσειν, συνταράσσειν, σείειν, κινεῖν.
Met., P. and V. κυκᾶν (Plato and Ar.), συγχεῖν, θράσσειν (Plato but rare P.).
be convulsed: P. and V. σφαδάζειν (Xen.), V. σπᾶσθαι.
be convulsed with laughter: use v. laugh.