A 'complete' word is a word in which every letter, in turn, can be replaced by another to form a new word.
For example, RUG is a complete word because:
-ug = hug
r-g = rig
ru- = run
How many of the following words are not complete words? Proper nouns and names are not allowed.
hard
port
duck
bugs
bail
mast
thin
lean
fire
read
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Hint
Another example, PEN is a complete word because:
-en = ten
p-n = pin
pe- = pea
Answer
Two of the words are not complete: bugs, lean.
Reasoning
The remaining 8 words can be changed as follows:
hard:
-ard = card
h-rd = herd
ha-d = hand
har- = harp
port:
-ort = fort
p-rt = part
po-t = poet
por- = pore
duck:
-uck = muck
d-ck = deck
du-k = dusk
duc- = duct
bugs:
-ugs = hugs
b-gs = bags
bu-s = buys
bug- = ----
bail:
-ail = hail
b-il = boil
ba-l = bawl
bai- = bait
mast:
-ast = cast
m-st = most
ma-t = malt
mas- = mask
thin:
-hin = shin
t-in = twin
th-n = than
thi- = this
lean:
-ean = mean
l-an = loan
le-n = ----
lea- = leaf
fire:
-ire = hire
f-re = fare
fi-e = five
fir- = firm
read:
-ead = bead
r-ad = road
re-d = reed
rea- = real
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