cap

As nouns the difference between threshold and cap

is that threshold is the bottom-most part of a doorway that one crosses to enter; a sill while cap is a close-fitting head covering either without a brim or with a peak.

As a verb cap is

to cover or seal with a cap.

As an initialism CAP is

(European Union) Common Agricultural Policy.

As a verb cap

is to extend one's leg for walking; get a move on.

As a noun null is

zero, nil; the cardinal number before einn.

As verbs the difference between cake and cap

is that cake is coat (something) with a crust of solid material or cake can be (uk|dialect|obsolete|intransitive) to cackle like a goose while cap is to extend one's leg for walking; get a move on.

As a noun cake

is a rich, sweet dessert food, typically made of flour, sugar and eggs and baked in an oven, and often covered in icing.

As a noun vape

is hot weather.

As a verb cap is

to extend one's leg for walking; get a move on.

As verbs the difference between cap and tree

is that cap is to extend one's leg for walking; get a move on while tree is to chase (an animal or person) up a tree.

As a noun tree is

a large plant, not exactly defined, but typically over four meters in height, a single trunk which grows in girth with age and branches (which also grow in circumference with age).