Words

adjunct

adjunct

(ˈædʒʌŋktPronunciation for adjunct)
  noun
    1 something incidental or not essential that is added to something else
    2 a person who is subordinate to another
    3 grammar
  a part of a sentence other than the subject or the predicate
  b (in systemic grammar) part of a sentence other than the subject, predicator, object, or complement; usually a prepositional or adverbial group
  c part of a sentence that may be omitted without making the sentence ungrammatical; a modifier
    4 logic another name for accident (sense 4)

▷ 
adjective
    5 added or connected in a secondary or subordinate position; auxiliary
  [C16: from Latin adjunctus, past participle of adjungere to adjoin]

adjunctive (əˈdʒʌŋktɪvPronunciation for adjunctive)
adjective
  > adjunctively (əˈdʒʌŋktɪvlɪ)
adverb
  > ˈadjunctly
adverb