Letters that make block up
o, b, k, l, p, c, u are letters that make 'block up'
o, b, k, l, p, c, u are letters that make 'block up'
1 possible definitions for 'block up'
Under this definition, block up is a verb and has the following properties:
'block up' can be a type of obstruct, obturate, impede, occlude, close up, jam, block.
barricade, roadblock, closure, blockade, catch, stop, stopple, plug, stopper, blocking, block, blockage, occlusion, bar are derivatives of 'block up'.