Numbers

Question 1

one/first

Answer 1

unus/primus, -a, -um
*UNIlateral, PRIMary

Question 2

two/second

Answer 2

duo/secundus, -a. -um
*DUal, SECONDary

Question 3

three/third

Answer 3

tres(tri)/tertius, -a, -um
*TRIangle, TERTIary

Question 4

four/fourth

Answer 4

quattuor (quadr-)/quartus, -a, -um
*QUADRIvalent, QUARTan fever

Question 5

five, fifth

Answer 5

quinque/quintus, -a, -um
*QUINQUEfoliate, QUINTUplet

Question 6

six, sixth

Answer 6

sex/sextus, -a, -um
*SEXennial, SEmester, SEXTant

Question 7

seven, seventh

Answer 7

septem/septimus, -a, -um
*SEPTember, SEPIMal

Question 8

eight, eighth

Answer 8

octo/octavus, -a, -um
*OCTOber, OCTAVE

Question 9

nine, ninth

Answer 9

novem/nonus, -a, -um
*NOVEMber, NONAgon

Question 10

ten, tenth

Answer 10

decem/decemus, -a, -um
*DECEMber, DECIMate

Question 11

twenty, twentieth

Answer 11

viginti/vicesimus, -a, -um
*VIGINTangular, VICESIMal

Question 12

100

Answer 12

centum/centesimus, -a, -um
*CENTImeter, CENTESIMal

Question 13

1000

Answer 13

mille/millesimus, -a, -um
*MILLennium, MILLESIMal