antiparallel
collateral
nonconvergent
nonintersecting
parallel ruler
parallels
synchronal
synchronic
synchronous
Antarctic Zone
Arctic Circle
Arctic Zone
Frigid Zones
Lambert conformal projection
Mercator projection
Miller projection
Torrid Zone
Tropic of Cancer
Tropic of Capricorn
Variable Zones
abri
accessory
accompanying
accord
admit of comparison
aeronautical chart
affiliate
affiliated
agnate
agree
agree with
akin
align
aligned
alike
allied
ally
alter ego
amount to
analogical
analogize
analogon
analogous
analogue
analogy
answer to
ape
appear like
apply
approach
approach trench
approximate
assent
assimilate
associate
associated
assort with
astronomical chart
parallelled
parallelling
alter
change
check
correspond
figure
fit
gibe
jibe
match
modify
tally
parallelism
parallelogram
sequential
unparalleled
central
circular
correct
similar
vertical
perpendicular
skew