Words ending in "ion" with U

• Union

  Noun from Latin 'unio', meaning joining into one.

• unification

  From 'unify', process of making things one.

• Urination

  From Latin 'urinatio', the act of peeing.

• Undulation

  Wave-like motion; from Latin 'undulatio'.

• utilization

  American spelling; act of making useful.

• Underestimation

  Act of underestimating; from Latin 'estimatio'.

• unction

  Religious anointing ceremony; from Latin 'unctio'.

• Utilisation

  UK spelling of 'utilization', making use of.

• unionization

  Process of forming a labor or other union.

• Urbanization

  US spelling; process of making urban.

• Ululation

  Howling or wailing sound; from Latin 'ululatio'.

• Usurpation

  Act of seizing power wrongfully; from Latin.

• Unionisation

  UK spelling of 'unionization', forming unions.

• Urbanisation

  UK spelling of 'urbanization', making urban.

• Underappreciation

  State of not being fully appreciated.

The words in the list Words ending in "ion" with U come from players of the word game City, Country, River.