Bottleneck and Hold in

Bottleneck verb - Slow down or impede by creating an obstruction.

Hold in and bottleneck are semantically related In some cases you can use "Hold in" instead a verb "Bottleneck".

Hold in verb - Lessen the intensity of; temper; hold in restraint; hold or keep within limits.

Bottleneck and hold in are semantically related in hinder topic. Sometimes you can use "Bottleneck" instead a verb "Hold in".