kilogram - pound, kilometre - ?

MILE
List of words for the clue kilogram - pound, kilometre - ? from the crossword:
UNIT LITRE INCH HECTARE GALLON CENTEMETRE ACRE LITER EZRA MARATHON KM KLICK KILOMETER TONNES MASS QUID PENCE KILO YARD
WordClue
ACREkilogram - pound, hectare - ?
INCHkilogram - pound, centemetre - ?
MASSsecond - time, kilogram - ?
TIMEkilogram - mass, second - ?
UNITkilogram or hertz
YARDkilogram - pound, metre - ?
LITREpound - kilogram, gallon - ?
METERmass - kilogram, distance - ?
METREpound - kilogram, yard - ?
POUNDkilometre - mile, kilogram - ?
QUARTunit of volume
GALLONkilogram - pound, litre - ?
SECONDmass - kilogram, time - ?
HECTAREpound - kilogram, acre - ?
DISTANCEkilogram - mass, meter - ?
KILOGRAMmile - kilometre, pound - ?
MARATHON42.195 kilometre road race
STERLINGpound
KILOMETREpound - kilogram, mile - ?
CENTEMETREpound - kilogram, inch - ?
ACREkilogram - pound, hectare - ?
GALLONkilogram - pound, litre - ?