kelvin or second

UNIT
List of words for the clue kelvin or second from the crossword:
SCALE ZERO TIDES K NRA PPS RERUN NANO ABEL UPON REDO TREE VEEP GEAR EMU BETA SOPH SEA RUNNERUP
WordClue
ADENsecond largest city of Yemen
MASSsecond - time, kilogram - ?
TIMEmeter - distance, second - ?
HANOIsecond largest city of Vietnam
METERtime - second, distance - ?
SCALEBeaufort or Kelvin
BERGENsecond largest city of Norway
JEDDAHsecond largest city of Saudi Arabia
KHARKIVsecond largest city of Ukraine
MARIBORsecond largest city of Slovenia
MUHANGAsecond largest city of Rwanda
VAITELEsecond largest city of Samoa
AREQUIPAsecond largest city of Peru
ECATEPECsecond largest city of Mexico
TIRASPOLsecond largest city of Moldova
BARCELONAsecond largest city of Spain
MARACAIBOsecond largest city of Venezuela
ROTTERDAMsecond largest city of the Netherlands
BIRMINGHAMsecond largest city of United Kingdom
GOTHENBURGsecond largest city of Sweden
GRACEKelly, actress
MUSTAFAKemal Atatürk, historic leader