speak

For the verb: "to speak"

Simple Past:	spoke
Past Participle:	spoken

Multiple Entries:
  speak    -speak  

Concise Oxford English Dictionary © 2008 Oxford University Press:
speak/spiːk/

▶verb (past spoke; past part. spoken)

• 1 say something.

  ■ make a speech.

  ■ communicate in or be able to communicate in (a specified language).

  ■ (speak for) express the views or position of.

  ■ (speak out/up) express one's opinions frankly and publicly.

  ■ (speak up) speak more loudly.

• 2 (speak to) talk to in order to advise, pass on information, etc.

  ■ appeal or relate to.

• 3 (of behaviour, an event, etc.) serve as evidence for something.

  ■ archaic show or manifest to be.

• 4 (of an object) make a sound.

  ■ (of a hound) bark.

– phrases
speak in tongues speak in an unknown language during religious worship, regarded as one of the gifts of the Holy Spirit (Acts 2).
speak one's mind express one's opinions frankly.
speak volumes (of a look, gesture, etc.) convey a great deal without using words.
speak well (or ill) of praise (or criticize).
to speak of [with neg.] used to indicate that there is very little of something: I've no capital—well, none to speak of.

– derivatives
speakable adjective.

– origin OE sprecan, later specan, of W. Gmc origin.

Concise Oxford English Dictionary © 2008 Oxford University Press:
-speak/spiːk/

▶combining form forming nouns denoting a manner of speaking, characteristic of a specified group: technospeak.

– origin on the pattern of newspeak.