Table:
0
A
B
C
D
E
1
Singular abbreviation
Singular Word
Plural abbreviation
Plural Word
Discipline
2
d.
didot
dd.
didots
typography
3
f.
following line or page
ff.
following lines or pages
notes
4
F.
folio
Ff.
folios
literature
5
h.
hand
hh.
hands
horse height
6
l.
line
ll.
lines
notes
7
MS
manuscript
MSS
manuscripts
notes
8
op.
opus
opp.
opera
notes
9
p.
page
pp.
pages
notes
10
Q.
quarto
Qq.
quartos
literature
11
s. (or §)
section
ss. (or §§)
sections
notes
12
v.
volume
vv.
volumes
notes

Questions and formulas:
Question: A singular abbreviation of p. is used for what singular word?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="p."),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,A2:A12="p."),2))
Level: medium
Question: A plural abbreviation of pp. is used for what singular word?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="pp."),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,C2:C12="pp."),2))
Level: medium
Question: The plural word of hands uses what singular word?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="hands"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,D2:D12="hands"),2))
Level: medium
Question: The plural word of following lines or pages has what plural abbreviation?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="following lines or pages"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,D2:D12="following lines or pages"),3))
Level: medium
Question: The plural abbreviation of ll. uses what plural word?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="ll."),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,C2:C12="ll."),4))
Level: medium
Question: The singular word of hand uses what plural word?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="hand"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,B2:B12="hand"),4))
Level: medium