| Word | Stack effect |
| ( quot -- ) | |
| ( word -- ) | |
| ( obj -- code ) | |
| ( old new -- ) | |
| ( -- ) | |
| ( -- start end ) | |
| ( array in# out# -- ? ) | |
| ( obj -- ) | |
| ( n -- obj ) | |
| ( -- ) | |
| ( -- ) | |
| ( -- ) | |
| ( callstack -- obj ) | |
| ( callstack -- n ) | |
| ( -- ) | |
| ( -- ) | |
| ( callstack -- * ) | |
| ( obj n -- ) | |
| ( array -- ) | |
| ( -- ) | |
| ( n callstack -- ) | |
| ( array -- ) | |
| ( obj n -- ) | |
| ( -- ) | |
| ( n -- obj ) | |
| ( -- ) | |
| ( object -- n ) | |
| ( -- * ) | |
| ( -- ) |