Compounds of ある

• ある時
  (n) once (i.e. "once, when I was studying ..")
• ある種
  (adj-no) certain
  some kind of
  some sort of
  of sorts
• ある人
  (n) someone (unspecified, but someone in particular)
  a certain person
• ある日
  (n) one day (e.g. "one day while studying, ..")
• である
  (v5r) to be (formal, literary)
• 幸ある
  (exp,adj-f) fortunate
  happy
  lucky
• あるある
  (exp) Oh yeah
  Of course it is so
  Cheer up, that's average
  It happens
  It's possible
  Don't worry, it happens
• ある限り
  (n) (1) all (there is)
  (exp,n-adv) (2) as long as there is
• ある程度
  (exp,adj-no) to some extent
  to a certain extent
• ある動詞
  (n) irregularly conjugating honorific verb (gozaru, etc.)
• つつある
  (suf) (with masu stem) to be doing
  to be in the process of doing
• である体
  (n) literary form imparting a formal written nuance (with sentences ending in "de aru")
• ではある
  (v5r) to be (in contrast to something that is not the case)
• でもある
  (v5r) (1) to also be (formal, literary)
  implies that as well as the earlier stated this is also the case
  (2) to be ... or something
  (P)
• 栄えある
  (adj-f) splendid
  glorious
• 縁がある
  (exp) to be fated to
  be linked by fate
• 恩がある
  (v5r) to be in one's debt
• 角のある
  (exp) angled
  angular
• 間にある
  (adj-f) intervening
• 気がある
  (exp) to have an interest (in something)
  to feel inclined (toward doing something)
• 脚がある
  (exp) to have legs
  to be able to get around
  to be a good runner
• 酷がある
  (exp) (1) (uk) deep (colour)
  (2) thick (liquid, fluid)
  (3) full-bodied, rich (flavour)
• 酷のある
  (exp) (1) (uk) deep (colour)
  (2) thick (liquid, fluid)
• 実のある
  (exp) faithful
  sincere
• 実のある
  (adj-f) solid
  substantial
  substantive
• 実りある
  (adj-f) rewarding
  fruitful
  fertile
  productive
  bountiful
• 趣のある
  (exp) zestful
  tasteful
  elegant
• 所もある
  (exp) (uk) some
  sometimes
  something (about)
• 足がある
  (exp) to have legs
  to be able to get around
  to be a good runner
• 毒のある
  (exp) harmful
  poisonous
  malicious