Logical Sequence of Words Questions

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
RECIPROCATE

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

Leaf, Caterpillar, Frog, ?

Arrange the given words in the sequence in which they occur in the dictionary.
i. Accuse
ii. Accord
iii. Acquisite
iv. Acquire

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
Legislator

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.

isobar, artist, statute, teapot, otters, ?

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Expenditure

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Scrupulous

From the given alternative words, select the word which cannot be formed using the letters of the given word:

COMMENTATOR