15. A system comprising: one or more processors; and memory having one or more instructions stored thereon that, responsive to execution by the one or more processors, causes the one or more processors to perform operations comprising: presenting a first user interface having, and enabling selection of, multiple characters or character strings through a gesture or gesture portion, the multiple characters or character strings presented at least partially obscuring an unselected character entry control or adjacent to or surrounding a selected character entry control, at least one of the character strings having or completing a long word and a short word, the short word being shorter than the long word and being a constituent part of the long word, the short word and the long word being presented at a same time in the first user interface; and responsive to selection through the first user interface to select the short word or the long word through selection of one or more of the multiple characters or character strings, wherein selecting the multiple characters or character strings for the short word would be selecting a portion of the multiple characters or character strings for the long word, providing the selected short word or long word.
15. A system comprising: one or more processors; and memory having one or more instructions stored thereon that, responsive to execution by the one or more processors, causes the one or more processors to perform operations comprising: presenting a first user interface having, and enabling selection of, multiple characters or character strings through a gesture or gesture portion, the multiple characters or character strings presented at least partially obscuring an unselected character entry control or adjacent to or surrounding a selected character entry control, at least one of the character strings having or completing a long word and a short word, the short word being shorter than the long word and being a constituent part of the long word, the short word and the long word being presented at a same time in the first user interface; and responsive to selection through the first user interface to select the short word or the long word through selection of one or more of the multiple characters or character strings, wherein selecting the multiple characters or character strings for the short word would be selecting a portion of the multiple characters or character strings for the long word, providing the selected short word or long word. 18. The system of claim 15 , wherein the operations further comprise presenting a gesture-sensitive character-entry interface through which the unselected character entry control or the selected character entry control is presented.