Flacon and Flask

Flask and flacon are semantically related in phial topic. In some cases you can use "Flask" instead a noun "Flacon", when it comes to topics like feeding bottle, used in travels.

Flask noun - Bottle that has a narrow neck.

Flacon and flask are semantically related in phial topic. You can use "Flacon" instead a noun "Flask", if it concerns topics such as feeding bottle, small container for liquid.