In addition to First-class, uncommon word, we have the quite common First.

• 1.002 first on one side
• 1.062 and we must have some music first.
• 1.072 And suddenly first one
• 1.119 First I should like to know
• 1.123 The first we heard of it was
• 2.028 At first they had passed through hobbit-lands,
• 2.093 “Who shall we sit on first?”
• 2.094 “Better sit on the last fellow first,” said Bert,
• 3.032 and the first men
• 3.043 that even Elrond should have found this out first,
• 3.045 the Longbeards, and my first ancestor:
• 3.047 “The first day of the dwarves’ New Year,”
• 3.047 the first day of the last moon of Autumn
• 4.031 and first, second,
• 5.009 which startled him at first,
• 5.018 otherwise he would have grabbed first
• 5.024 You ask first,
• 5.030 First they champ,
• 5.035 Said the first eye,
• 5.038 It comes first and follows after,
• 5.082 and get some things first,
• 5.087 Gollum used to wear it at first,
• 5.097 It must tell first.’
• 5.100 then I asked one first.
• 5.130 and cursing almost at his heels at first,
• 6.016 Well, it is the first time that even a mouse
• 7.022 descended from the first men who lived
• 7.069 The big man was frowning at first,
• 7.076 That’s the first time I’ve heard eight called a dozen.
• 7.080 That’s the first time I’ve heard one from ten leave fourteen.
• 7.116 I will answer the second question first,’
• 7.117 And now I think I have answered your first question,
• 7.133 and at first he thought
• 8.023 Who’ll cross first?’ asked Bilbo.
• 8.028 we used at first,
• 8.037 They were at first inclined to be cheered by the change,
• 8.046 the first thing they noticed was
• 8.059 No sooner had the first stepped into the clearing
• 8.060 when Dori, whose turn it was to watch first,
• 8.062 I shall send Mr. Baggins alone first to talk to them.
• 8.078 but obviously he had first of all to look for his friends,
• 8.078 and in what direction he should go first to look for the dwarves.
• 8.086 said the first.
• 8.088 now that he noticed them for the first time dangling
• 8.105 he reached the first bundle.
• 8.107 between them they started to haul up first one dwarf
• 9.023 so let us have a drink first to help the labour.’
• 9.027 First he unlocked Balin’s door,
• 9.050 So they sang as first one barrel
• 9.063 Of course helped by his magic ring he got on very well at first,
• 9.068 slowly at first,
• 10.010 First of all a barrel was cut loose by Bilbo
• 10.043 Then for the first time the Master was surprised
• 11.005 They made their first camp
• 11.019 and at first they tried to use these.
• 12.004 to go into the secret passage first,
• 12.021 since first he came to the Mountain!
• 12.034 blaming him for what had at first so pleased them:
• 12.093 because at first he wanted to try
• 13.006 and Thorin was the first to go forward by Bilbo’s side.
• 13.033 first on one side
• 13.036 Here is the first payment of your reward!
• 13.071 when the first cold stars came out.
• 14.026 and their first complaints
• 14.035 Doubtless they perished first
• 14.042 which had at first been direct towards the Mountain,
• 15.053 first dismiss the elvish host to the woods where it belongs,
• 16.014 rouse me first,
• 16.044 For the first time for many a day
• 17.016 and listen first to what he has to say!’
• 17.050 The elves were the first to charge.
• 17.053 They had only stemmed the first onslaught of the black tide.
• 18.027 and departed with the first light of morning.
• 19.001 It was on May the first
• 19.001 (or the First)
• 19.020 I suppose this is the first taste of it.’