Solution

A badly written solution can be found at https://gamesolutions.efzeven.nl/castlemaze-adventure-walkthrough-peter-gerrard-1983/

Nouns and Verbs:

Nouns Verbs Verb Line Numbers
bow go 210
key get 280
book look 20
arrow inventory 350
broken arrow score 380
saphire drop 400
liquid help 920
sword climb 470
painting dig 830
whetstone quit 1370
silverware say 510
pen drink 520
pillow open 550
scepter take 280
bar of gold kill 660
vault read 740
knight shoot 770
vase attack 660
sign close 840
sorcerer lock 840
spider unlock 550
north give 400
south use 460
east value 940
west swing 950
n sharpen 980
s examine 1010
e throw 400
w find 1050
door jump 1070
window cross 90