Strong's #8145: sheniy (pronounced shay-nee')
 from 8138; properly, double, i.e. second; also adverbially, again:--again, either (of them), (an-)other, second (time).
Brown-Driver-Briggs Hebrew Lexicon:
 ׁ 
  shênı̂y 
 
 1) second
 
 1a) second (the ordinal number)
 1b) again (a second time)
 1c) another, other (something as distinct from something else)
 
  Part of Speech: noun masculine or feminine; adjective
Relation: from H8138
Usage:
This word is used 156 times:
Jonah 3:1: "came unto Jonah  the second time, saying,"
Haggai 2:20: " And again the word of the LORD came unto Haggai in the four and twentieth"
Zechariah 4:12: "And I answered  again, and said unto him, What be these two olive branches"
Zechariah 6:2: "chariot were red horses;  and in the second chariot black horses;"
Zechariah 11:14: "Then I cut asunder  mine other staff, even Bands, that I might break"
Malachi 2:13: "And this have ye done  again, covering the altar of the LORD with tears,"