I don't know

BUILD
CHANGE
CORONY
CURE
DOWNGRADE
EMBASSY
EXERCISE
FOOD
HERO
HONOR
IRON
LUMBER
NATION
PERSUADE
PRESTIGE
RECALL
STONE
UPGRADE

no more Description

Try to find all 18 words on this board.

A E O D I Z A H L Z P H U B N
H U R C L Q H Y A Z H Z N C A
O A E W L I L N D R O M G S Y
F R H D C F U V K O P Z B Q G
L P D L O E M B A S S Y E J I
Z T E O P W G E N O T S D M D
K Y D D A L N I A G I R O N P
Y Q Z R A A L G T C O R O N Y
U B O X T R S A R S H O N O R
W U Z I N X G E C A E A T K Z
U I O U U T X P O E D R N P K
R N K I Y E D A U S R E P G A
Y T A R Q R E B M U L F P N E
Y T C U R E K A Q R N N D Q O
S Q K D E R X S E O Z P D B D
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Answer Key for I don't know

X
Y
123456789101112131415
1# # O D # # # # # # # # # # #
2# # R # L # # # # # # # # # #
3# # E # # I # # # # # # # # #
4# # H D # F U # # # # # # # #
5# # # # O E M B A S S Y E # #
6# # E O # W G E N O T S # # #
7# # D D # L N I # # I R O N #
8# # # # A A L G T C O R O N Y
9# # # # T R # A R S H O N O R
10# # # I # # G E C A E A # # #
11# # O # # # X P # E D R N # #
12# N # # # E D A U S R E P G #
13# # # # # R E B M U L # # # E
14# # C U R E # # # # # # # # #
15# # # # # # # # # # # # # # #
Word X Y Direction
BUILD  85nw
CHANGE  108se
CORONY  108e
CURE  314e
DOWNGRADE  88se
EMBASSY  65e
EXERCISE  612ne
FOOD  55sw
HERO  34n
HONOR  119e
IRON  117e
LUMBER  1013w
NATION  77sw
PERSUADE  1212w
PRESTIGE  1312nw
RECALL  1112nw
STONE  126w
UPGRADE  912nw