Here's what rhymes with acetylcholine.

Consider these alternatives

muscarinic / scenic dopamine / nine glutamate / late histamine / mean norepinephrine / line cholinergic / noncholinergic inhibitory / story acetylcholinesterase / case inhibition / position ach / drug neurotransmission / position stimulates / states prostaglandin / standing secretion / completion excitatory / story adenosine / seen dopaminergic / nondopaminergic monoamine / nine aldosterone / known reuptake / uptake