Latin: alacer "lively" (adj.)

ALACRITY

Latin: agere, actum "to drive, do" (v.)

ASSAY

Latin celer "quick" (n.)

CELERITY

Rapidity

 (Speed, quickness)

Latin: agere, actum "to drive, do" (adj.)

COGENT

Latin: agere, actum "to drive, do" (adj.)

EXIGENT

Latin: cieo, citum "to stir up, rouse" (v.)

INCITE

Latin: agere, actum "to drive, do" (adj.)

INTRANSIGENT

Refusing to compromise

(Stubborn)

Latin: turbare, turbatum "disturb" (v.)

PERTURB

Latin: cieo, citum "to stir up, rouse" (v.)

RESUSITATE

Latin: cieo, citum "to stir up, rouse" (adj.)

SOLICITOUS

Concerned

(Showing care or worry)

Latin: turbare, turbatum "disturb" (adj.)

TURBID

Latin: turbare, turbatum "disturb" (adj.)

TURBULENT

Excited or upset

(Agitated)