estimate - odhadnout, odhadovat
BrE
/'estɪmeɪt/
AmE
/'estɪmeɪt/

verb - to give your opinion or to calculate how much something is going to cost, how big something is going to be, etc.

 
jam - nacpat (něco někam), narvat (něco někam), zablokovat, ucpat se, ucpat, zablokovat se
BrE
/'dʒæm/
AmE
/'dʒæm/

verb - to put/be in a very small place with many others, to make something not passable, to become not passable