The word Intervalums is misspelled against Intervallums, which is plural of "Intervallum"
-->
Intervallums has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings interva & ums which should not be misspelled with single 'L'
Wrong Spelling: interva-l-ums
Correct Spelling: interva-ll-ums
Check more misspelled words of Intervallums to spell it correct.